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mathematics in india past present and future ppt
Post: #1

can you please help me with this topic soon..
Post: #2
mathematics in india past,present and future
Post: #3
please send us the ppt on maths pr past fut

i have some ideas of it .. am share here...

Quote:Mathematics in Indian has a very long and hallowed record. Sulvasutras, the most ancient extant written sms messages (prior to 800 BCE) that deal with mathematics, clearly situation and make use of the so-called Pythagorean theorem apart from providing various exciting estimates to surds, in connection with the development of altars and fire-places of different forms and designs. By enough duration of Aryabhata (c.499 CE), the Native indian specialised mathematicians were completely acquainted with most of the mathematics that we currently show in our educational institutions, such as the techniques for getting rectangular form primary, dice primary, and so on. Among other things, Aryabhata also offered the differential program of sine operate in its finite-difference type and a means for restoring straight variety indeterminate program. The `bhavana' law of Brahmagupta (c.628) and the `cakravala' formula described by Jayadeva and Bhaskaracarya (12th dollar.) for restoring quadratic indeterminate program are some of the essential attractions in the development of geometry in Indian.

The Kerala Institution of Astronomy developed by Madhava (c.1340--1420) expands well into the 1800s. The specialised mathematicians and astronomers living on the financial institutions of the stream Nila in the southern area Malabar area of Kerala -- tripping upon the problem of finding the actual connection between the arc and the corresponding observe of a group, and issues associated with that -- came very close to creating what goes by the name of infinitesimal calculus these days. Particularly, Madhava of Sangamagrama, around the end of Fourteenth century, seems to have blazed a pathway in the research of a particular division of mathematics that goes by the name of research these days. He enunciated the unlimited series for pi/4 (the so-called Gregory-Leibniz series) and other trigonometric features. The series for pi/4 being an extremely gradually converging series, Madhava had also given several fast convergent estimates to it. Interesting evidence of these outcomes are offered in the popular Malayalam written text Ganita-Yuktibhasa (c.1530) of Jyesthadeva as well as in the performs of Sankara Variyar, who was a modern of Jyesthadeva.

Though Madhava's performs containing these series are not extant these days, by way of the numerous information that are to be found in the later performs, we come to know that it was Madhava who was accountable for the efflorescence of the universe of amazing astronomers and specialised mathematicians that the Kerala Institution was to produce over the next three more than 100 years. The performs of the later astronomers and specialised mathematicians of the Madhava school contain several exciting outcomes which contain the combination of inverse trigonometric features as well as the rate of two trigonometric features.

There is a notion that mathematics in Indian has just been a handmaiden to astronomy which will has been a handmaiden used in restoring the appropriate periods of spiritual rituals. Though it had its moderate starting that way, if the objective of mathematics is not enhanced to contain actual perceptive enjoyment, it may be challenging to describe as to why Nilakantha cogitated on the irrationality of pi -- a wonderful conversation of which is to be found in his Aryabhatiya-bhasya -- and Madhava progressed stylish techniques to acquire the value of pi appropriate to almost 14 decimal locations.

It is quite exciting to observe that almost all these conclusions are succinctly known as by means of metrical agreements in Sanskrit. To the existing day audience, having got so much acquainted to the use of symptoms, it may be rather challenging to think about a recursion regards, or an unlimited series, or the combination of a operate being indicated by means of terse in comparison to. But amazingly, that is how it has been offered to us at least from enough duration of Aryabhata (5th dollar.) until overdue 1800s. It is truly amazing that all the different offices of mathematics in Indian, such as the innovative infinitesimal calculus, have been developed cleverly without `formal' observe in a absolutely natural way!

Indian mathematics showed up in the Native indian subcontinent[1] from 1200 BC [2] until the end of the 1700s. In the traditional interval of Native indian mathematics (400 AD to 1200 AD), essential efforts were developed by college learners like Aryabhata, Brahmagupta, and Bhaskara II. The decimal variety program in use today[3] was first registered in Native indian mathematics.[4] Native indian specialised mathematicians developed starting efforts to the research of the idea of zero as a variety,[5] adverse results,[6] arithmetic, and geometry.[7] Moreover, trigonometry[8] was further innovative in Indian, and, in particular, the modern descriptions of sine and cosine were developed there.[9] These statistical principles were passed on to the Center Eastern, China suppliers, and Europe[7] and led to further improvements that now type the fundamentals of many places of mathematics.
Ancient and ancient Native indian statistical performs, all composed in Sanskrit, usually contains a area of sutras in which a set of guidelines or issues were described with excellent economic climate in variety to be able to aid storage by a pupil. This was followed by a second area made up of a composing reviews (sometimes several commentaries by different scholars) that described the problem in more information and offered justified reason for the remedy. In the composing area, the type (and therefore its memorization) was not regarded so essential as the principles engaged.[1][10] All statistical performs were by mouth passed on until roughly 500 BCE; thereafter, they were passed on both by mouth and in manuscript type. The most ancient extant statistical papers developed on the Native indian subcontinent is the birch debris Bakhshali Manuscript, found in 1881 in the town of Bakhshali, near Peshawar (modern day Pakistan) and is likely from the 7th century CE.
A later milestone in Native indian mathematics was the growth of the series expansions for trigonometric features (sine, cosine, and arc tangent) by specialised mathematicians of the Kerala school in the Fifteenth century CE. Their amazing execute, finished two more than 100 years before the innovation of calculus in European nations, offered what is now regarded the first example of a energy series (apart from geometric series).[13] However, they did not come up with a methodical concept of distinction and incorporation, nor is there any immediate evidence of their outcomes being passed on outside Kerala.


Excavations at Harappa, Mohenjo-daro and other websites of the Indus Area Society have discovered evidence of the use of "practical mathematics". The people of the IVC produced stones whose measurements were in the percentage 4:2:1, regarded good for the balance of a rock framework. They used a consistent program of loads depending on the ratios: 1/20, 1/10, 1/5, 1/2, 1, 2, 5, 10, 20, 50, 100, 200, and 500, with the product weight equaling roughly 28 grms (and roughly similar to the English ounces or Ancient greek uncia). They developed in greater quantities loads in frequent geometric forms, which engaged hexahedra, casks, cones, and tubes, thereby indicating information of primary geometry.
The population of Indus civilization also tried to standardize statistic of duration to a higher level of precision. They developed a ruler—the Mohenjo-daro ruler—whose device of duration (approximately 1.32 inches large or 3.4 centimetres) was separated into ten comparative places. Bricks produced in traditional Mohenjo-daro often had measurements that were important many of this device of duration.

Vedic period

See also: Vedanga and Vedas
Samhitas and Brahmanas
The spiritual written sms messages of the Vedic Period offer evidence for the use of vast quantities. By enough duration of the Yajurvedasaṃhitā (1200–900 BCE), results as excellent as were being engaged in the written sms messages.[2] For example, the concept (sacrificial formula) at the end of the annahoma ("food-oblation rite") conducted during the aśvamedha, and spoken just before-, during-, and just after sun improving, creates abilities of ten from a number of to a trillion:
"Hail to śata ("hundred," ), hailstorm to sahasra ("thousand," ), hailstorm to ayuta ("ten million," ), hailstorm to niyuta ("hundred million," ), hailstorm to prayuta ("million," ), hailstorm to arbuda ("ten million," ), hailstorm to nyarbuda ("hundred million," ), hailstorm to samudra ("billion," , basically "ocean"), hailstorm to madhya ("ten billion dollars," , basically "middle"), hailstorm to anta ("hundred billion dollars," ,lit., "end"), hailstorm to parārdha ("one billion," lit., "beyond parts"), hailstorm to the beginning (uśas), hailstorm to the evening (vyuṣṭi), hailstorm to the one which is going to increase (udeṣyat), hailstorm to the one which is improving (udyat), hailstorm to the one which has just increased (udita), hailstorm to the paradise (svarga), hailstorm to the globe (martya), hailstorm to all."[2]
The Satapatha Brahmana (ca. 7th century BCE) contains guidelines for practice geometric designs that are just like the Sulba Sutras.

Śulba Sūtras
Main article: Śulba Sūtras
The Śulba Sūtras (literally, "Aphorisms of the Chords" in Vedic Sanskrit) (c. 700–400 BCE) list guidelines for the development of sacrificial flame altars.[22] Most statistical issues regarded in the Śulba Sūtras springtime from "a individual theological need,"[23] that of building flame altars which have different forms but take up the same place. The altars were needed to be developed of five levels of used rock, with the further situation that each aspect contain 200 stones and that no two nearby levels have congruent agreements of stones.
According to (Hayashi 2005, p. 363), the Śulba Sūtras contain "the very first extant spoken idea of the Pythagorean Theorem on the globe, although it had already been known to the Old Babylonians."
The angled variety (akṣṇayā-rajju) of an rectangular (rectangle) generates both which the flank (pārśvamāni) and the horizontally (tiryaṇmānī) <ropes> produce independently."
Since the declaration is a sūtra, it is actually compacted and what the rules produce is not elaborated on, but the perspective clearly indicates the rectangular form places developed on their measures, and would have been described so by the instructor to the pupil.
They contain information of Pythagorean triples, which are particular situations of Diophantine equations.[26] They also contain claims (that with hindsight we know to be approximate) about squaring the group and "circling the rectangular form."
Baudhayana (c. 8th century BCE) composed the Baudhayana Sulba Sutra, the best-known Sulba Sutra, which contains situations of easy Pythagorean triples, such as: , , , , and [28] as well as a declaration of the Pythagorean theorem for the edges of a square: "The variety which is prolonged across the angled of a rectangular form generates an place dual the size of the unique rectangular form."[28] It also contains the typical declaration of the Pythagorean theorem (for the edges of a rectangle): "The variety prolonged along the duration of the angled of a rectangular form makes an place which the straight and horizontally factors make together."[28] Baudhayana gives an equation for the rectangular form primary of two,

The program is precise up to five decimal locations, the true value being [30] This program is identical in framework to the program found on a Mesopotamian tablet[31] from the Old Babylonian interval (1900–1600 BCE):

which conveys in the sexagesimal program, and which too is precise up to 5 decimal locations (after rounding).
According to math wizzard S. G. Dani, the Babylonian cuneiform product Plimpton 322 published ca. 1850 BCE[32] "contains twelve to fifteen Pythagorean triples with quite huge records, such as (13500, 12709, 18541) which is a basic multiple,[33] showing, in particular, that there was innovative knowing on the topic" in Mesopotamia in 1850 BCE. "Since these pills predate the Sulbasutras interval by several more than 100 years, considering the contextual overall look of some of the triples, it is affordable to anticipate that identical knowing would have been there in Indian."[34] Dani goes on to say:
"As primary of the Sulvasutras was to describe the designs of altars and the geometric principles engaged in them, the topic of Pythagorean triples, even if it had been well recognized may still not have presented in the Sulvasutras. The event of the triples in the Sulvasutras is much like mathematics that one may experience in an starting publication on structure or another identical used place, and would not match straight to the overall information on the topic then. Since, unfortunately, no other contemporaneous resources have been found it may never be possible to negotiate this problem satisfactorily."[34]
In all, three Sulba Sutras were composed. The staying two, the Manava Sulba Sutra composed by Manava (fl. 750–650 BC) and the Apastamba Sulba Sutra, composed by Apastamba (c. 600 BC), included outcomes just like the Baudhayana Sulba Sutra.
An essential milestone of the Vedic interval was the execute of Sanskrit grammarian, Pāṇini (c. 520–460 BCE). His sentence framework contains starting use of Boolean reasoning, of the zero owner, and of perspective free grammars, and has a forerunner of the Backus–Naur type (used in the information development languages).
[edit]Jain Mathematics (400 BCE – 200 CE)

Although Jainism as a belief and viewpoint predates its most popular exponent, Mahavira (6th century BCE), who was a modern of Gautama Buddha, most Jaina written sms messages on statistical subjects were composed after the 6th century BCE. Jaina specialised mathematicians are essential traditionally as essential hyperlinks between the mathematics of the Vedic interval and that of the "Classical interval."
A considerable traditional participation of Jaina specialised mathematicians lay in their liberating Native indian mathematics from its spiritual and ritualistic restrictions. In particular, their interest with the enumeration of very vast quantities and infinities, led them to categorize results into three classes: enumerable, numerous and unlimited. Not material with a easy idea of infinity, they went on to determine five different kinds of infinity: the unlimited in one path, the unlimited in two guidelines, the unlimited in place, the unlimited everywhere, and the unlimited constantly. Moreover, Jaina specialised mathematicians developed notes for easy abilities (and exponents) of results like pieces and pieces, which permitted them to determine easy algebraic equations (beejganita samikaran). Jaina specialised mathematicians were obviously also the first to use the phrase shunya (literally gap in Sanskrit) to consult zero. More than a century later, their appellation became the English term "zero" after a tortuous trip of translations and transliterations from Indian to European nations . (See Zero: Etymology.)
In inclusion to Surya Prajnapti, essential Jaina performs on mathematics engaged the Vaishali Ganit (c. 3rd century BCE); the Sthananga Sutra (fl. 300 BCE – 200 CE); the Anoyogdwar Sutra (fl. 200 BCE – 100 CE); and the Satkhandagama (c. 2nd century CE). Important Jaina specialised mathematicians engaged Bhadrabahu (d. 298 BCE), the writer of two considerable performs, the Bhadrabahavi-Samhita and a reviews on the Surya Prajinapti; Yativrisham Acharya (c. 176 BCE), who published a statistical written text known as Tiloyapannati; and Umasvati (c. 150 BCE), who, although better known for his powerful documents on Jaina viewpoint and metaphysics, composed a statistical execute known as Tattwarthadhigama-Sutra Bhashya.
Among other college learners of this interval who included to mathematics, the most considerable is Pingala (piṅgalá) (fl. 300–200 BCE), a musical technology theorist who published the Chhandas Shastra (chandaḥ-śāstra, also Chhandas Sutra chhandaḥ-sūtra), a Sanskrit treatise on prosody. There is evidence that in his execute on the enumeration of syllabic blends, Pingala came upon both the Pascal triangular and Binomial coefficients, although he did not have information of the Binomial theorem itself.[35][36] Pingala's execute also contains the primary principles of Fibonacci results (called maatraameru). Although the Chandah sutra hasn't live through in its whole, a Tenth century reviews on it by Halāyudha has. Halāyudha, who represents the Pascal triangular as Meru-prastāra (literally "the stairway to Install Meru"), has this to say:
"Draw a rectangular form. Beginning at 50 percent the rectangular form, sketch two other identical pieces below it; below these two, three other pieces, and so on. The labels should be began by placing 1 in the first rectangular form. Put 1 in each of the two pieces of the second variety. In the third variety put 1 in the two pieces at the stops and, in the center rectangular form, the sum of the numbers in the two pieces relaxing above it. In it all variety put 1 in the two pieces at the stops. In the center ones put the sum of the numbers in the two pieces above each. Continue in this way. Of these collections, the second gives the blends with one syllable, the third the blends with two syllables, ..."[35]
The written text also indicates that Pingala was conscious of the combinatorial identity:[36]

Though not a Jaina math wizzard, Katyayana (c. 3rd century BCE) is considerable for being the last of the Vedic specialised mathematicians. He wrote the Katyayana Sulba Sutra, which offered much geometry, such as the typical Pythagorean theorem and a measurements of the rectangular form primary of 2 appropriate to five decimal locations.

Oral tradition

Mathematicians of traditional and starting ancient Indian were almost all Sanskrit pandits (paṇḍita "learned man"),[37] who were qualified in Sanskrit terminology and fictional works, and owned and operated "a typical inventory of information in sentence framework (vyākaraṇa), exegesis (mīmāṃsā) and reasoning (nyāya)."[37] Memorization of "what is heard" (śruti in Sanskrit) through recitation conducted a big part in the sign of holy written sms messages in traditional Indian. Memorization and recitation was also used to deliver philosophical and fictional performs, as well as treatises on practice and sentence framework. Modern college learners of traditional Indian have mentioned the "truly amazing success of the Native indian pandits who have maintained substantially heavy written sms messages by mouth for many years."

Styles of memorization
Prodigous energy was consumed by traditional Native indian lifestyle in guaranteeing that these written sms messages were passed on from creation to creation with excessive constancy.[39] For example, storage of the holy Vedas engaged up to 11 kinds of recitation of the same written text. The written sms messages were therefore "proof-read" by evaluating the different recited variations. Forms of recitation engaged the jaṭā-pāṭha (literally "mesh recitation") in which every two nearby conditions in the written text were first recited in their unique purchase, then recurring in the other purchase, and lastly recurring again in the unique purchase.

The recitation thus began as:
word1word2, word2word1, word1word2; word2word3, word3word2, word2word3; ...
In another way of recitation, dhvaja-pāṭha[40] (literally "flag recitation") a series of N conditions were recited (and memorized) by coupling the first two and last two conditions and then continuing as:
word1word2, wordN − 1wordN; word2word3, wordN − 3wordN − 2; ..; wordN − 1wordN, word1word2;
The most complicated way of recitation, ghana-pāṭha (literally "dense recitation"), according to (Filliozat 2004, p. 139), took the form:
word1word2, word2word1, word1word2word3, word3word2word1, word1word2word3; word2word3, word3word2, word2word3word4, word4word3word2, word2word3word4; ...
That these techniques have been effective, is claimed to by the maintenance of the most traditional Native indian spiritual written text, the Ṛgveda (ca. 1500 BCE), as just one written text, without any edition parts.[40] Similar techniques were used for learning statistical written sms messages, whose sign stayed specifically dental until the end of the Vedic interval (ca. 500 BCE).

The Sūtra genre
Mathematical action in traditional Indian began as a aspect of a "methodological reflexion" on the holy Vedas, which took the way of performs known as Vedāṇgas, or, "Ancillaries of the Veda" (7th–4th century BCE).[41] The need to maintain your audio of holy written text by use of śikṣā (phonetics) and chhandas (metrics); to preserve its significance by use of vyākaraṇa (grammar) and nirukta (etymology); and to properly execute the rituals at the perfect time by the use of kalpa (ritual) and jyotiṣa (astronomy), offered increase to the six professions of the Vedāṇgas.[41] Mathematics happened as a aspect of the last two professions, practice and astronomy (which also engaged astrology). Since the Vedāṇgas instantly beat the use of composing in traditional Indian, they established the last of the specifically dental fictional works. They were indicated in a very compacted mnemonic type, the sūtra (literally, "thread"):
The knowers of the sūtra know it as having few phonemes, being without indecisiveness, containing the substance, experiencing everything, being without stop and unobjectionable.[41]
Extreme brevity was acquired through several means, which engaged using ellipsis "beyond the patience of organic terminology,"[41] using specialized brands instead of longer illustrative brands, abridging information by only referring to the first and last records, and using indicators and factors.[41] The sūtras make the impact that interaction through the written text was "only a aspect of the whole training. The relax of the training must have been passed on by the so-called Guru-shishya parampara, 'uninterrupted series from instructor (guru) to the pupil (śisya),' and it was not start to the typical public" and perhaps even kept key.[42] The brevity acquired in a sūtra is confirmed in the following example from the Baudhāyana Śulba Sūtra (700 BCE).

The design of the household flame church in the Śulba Sūtra
The household fire-altar in the Vedic interval was needed by practice to have a rectangular form platform and be constituted of five levels of stones with 21 stones in each aspect. One strategy of building the church was to split one aspect of the rectangular form into three comparative places using a cable or variety, to next split the transversus (or perpendicular) aspect into seven comparative places, and thereby sub-divide the rectangular form into 21 congruent quadratique. The stones were then developed to be of the form of the component rectangular form and the aspect was developed. To type the next aspect, the same program was used, but the stones were organized transversely.[43] The process was then recurring three more periods (with changing directions) to finish the development. In the Baudhāyana Śulba Sūtra, this process is described in the following words:
"II.64. After splitting the quadri-lateral in seven, one separates the transversus [cord] in three.
II.65. In another aspect one locations the [bricks] North-pointing."[43]
According to (Filliozat 2004, p. 144), the officiant building the church has only a few resources and components at his disposal: a cable (Sanskrit, rajju, f.), two pegs (Sanskrit, śanku, m.), and clay-based to make the stones (Sanskrit, iṣṭakā, f.). Concision is acquired in the sūtra, by not clearly referring to what the adjective "transverse" qualifies; however, from the womanly way of the (Sanskrit) adjective used, it is easily deduced to are eligible "cord." In the same way, in the second stanza, "bricks" are not clearly described, but deduced again by the womanly dual way of "North-pointing." Finally, the first stanza, never clearly says that the first aspect of stones are focused in the East-West path, but that too is intended by the particular talk about of "North-pointing" in the second stanza; for, if the direction was intended to be the same in the two levels, it would either not be described at all or be only described in the first stanza. All these implications are developed by the officiant as he remembers the program from his storage.[43]

The published tradition: composing commentary

With the improving complexness of mathematics and other actual sciences, both composing and measurements were needed. Consequently, many statistical performs began to be published down in manuscripts that were then duplicated and re-copied from creation to creation.
"India these days is approximated to have about 30, 000 manuscripts, the biggest body of hand-written studying material anywhere on the globe. The well written lifestyle of Native indian technology goes back to at least the fifth century B.C. ... as is proven by the components of Mesopotamian omen fictional works and astronomy that joined Indian at that some time to (were) definitely not ... maintained by mouth."[44]
The very first statistical composing reviews was that on the execute, Āryabhaṭīya (written 499 CE), a execute on astronomy and mathematics. The statistical part of the Āryabhaṭīya was made up of 33 sūtras (in variety form) made up of statistical claims or guidelines, but without any evidence.[45] However, according to (Hayashi 2003, p. 123), "this does not actually mean that their authors did not validate them. It was probably a matter of style of exposition." From enough duration of Bhaskara I (600 CE onwards), composing commentaries progressively began to contain some derivations (upapatti). Bhaskara I's reviews on the Āryabhaṭīya, had the following structure:

Rule ('sūtra') in variety by Āryabhaṭa
Commentary by Bhāskara I, composed of:
Elucidation of idea (derivations were still unusual then, but became more typical later)
Example (uddeśaka) usually in variety.
Setting (nyāsa/sthāpanā) of the mathematical information.
Working (karana) of the remedy.
Verification (pratyayakaraṇa, basically "to make conviction") of the response. These became unusual by the Thirteenth century, derivations or evidence being preferred by then.[45]
Typically, for any statistical topic, learners in traditional Indian first commited to storage the sūtras, which, as described previously, were "deliberately inadequate"[44] in informative information (in purchase to pithily express the bare-bone statistical rules). The learners then proved helpful through the subjects of the composing reviews by composing (and illustrating diagrams) on chalk- and dust-boards (i.e. forums protected with dust). The latter action, a choice of statistical execute, was to later immediate mathematician-astronomer, Brahmagupta (fl. 7th century CE), to define considerable measurements as "dust work" (Sanskrit: dhulikarman).

Numerals and the decimal numeral system

It is well known that the decimal place-value program in use these days was first registered in Indian, then passed on to the Islamic globe, and gradually to European nations.[47] The Syrian bishop Severus Sebokht wrote in the mid-7th century CE about the "nine signs" of the Indians for showing results.However, how, when, and where the first decimal position value program was developed is not so clear.
The very first extant program used in Indian was the Kharoṣṭhī program used in the Gandhara lifestyle of the north-west. It is believed to be of Aramaic resource and it was in use from the 4th century BCE to the 4th century CE. Almost contemporaneously, another program, the Brāhmī program, showed up on much of the sub-continent, and would later become the groundwork of many programs of South Japan and South-east Japan. Both programs had numeral symptoms and numeral techniques, which were originally not depending on a place-value program.
The very first staying evidence of decimal position value numbers in Indian and south east Japan is from the center of the first century CE.[50] A birdwatcher menu from Gujarat, Indian represents the time frame 595 CE, published in a decimal position value observe, although there is some question as to the validity of the menu.[50] Decimal numbers producing the years 683 CE have also been found in rock identities in Philippines and Cambodia, where Native indian social impact was considerable.[50]
There are mature textual resources, although the extant manuscript duplicates of these written sms messages are from much later times.[51] Probably the first such resource is the execute of the Buddhist thinker Vasumitra old likely to the 1st century CE.[51] Talking about the keeping track of results in of suppliers, Vasumitra reviews, "When [the same] clay-based counting-piece is in the position of models, it is denoted as one, when in thousands, one number of." Although such sources seem to suggest that his visitors had information of a decimal position value reflection, the "brevity of their allusions and the indecisiveness of their times, however, do not steadily identify the chronology of the growth of this idea."[51]
A third decimal reflection was used in a variety structure strategy, later marked Bhuta-sankhya (literally, "object numbers") used by starting Sanskrit authors of specialized guides.[52] Since many starting specialized performs were composed in variety, results were often showed by things in the organic or spiritual globe that interaction to them; this permitted a many-to-one interaction for each variety and developed variety structure easier.[52] According to Plofker 2009, the variety 4, for example, could be showed by the phrase "Veda" (since there were four of these spiritual texts), the variety 32 by the phrase "tooth" (since a full set includes 32), and the variety 1 by "moon" (since there is only one moon).[52] So, Veda/tooth/moon would match to the decimal numeral 1324, as the meeting for results was to enumerate their numbers from right to remaining.[52] The very first referrals using item results is a ca. 269 CE Sanskrit written text, Yavanajātaka (literally "Greek horoscopy") of Sphujidhvaja, a versification of an previously (ca. 150 CE) Native indian composing variation of a losing execute of Hellenistic zodiac.[53] Such use seems to make the situation that by the mid-3rd century CE, the decimal position value program was acquainted, at least to visitors of considerable and astrology written sms messages in Indian.[52]
It has been hypothesized that the Native indian decimal position value program was depending on the symptoms used on China keeping track of forums from as starting as the center of the first century BCE.[54] According to Plofker 2009,
These keeping track of forums, like the Native indian keeping track of results in, ..., had a decimal position value framework ... Indians may well have discovered of these decimal position value "rod numerals" from China Buddhist pilgrims or other tourists, or they may have developed the idea individually from their previously non-place-value system; no recorded evidence endures to validate either summary."[54]
[edit]Bakhshali Manuscript

The most ancient extant statistical manuscript in South Japan is the Bakhshali Manuscript, a birch debris manuscript published in "Buddhist multiple Sanskrit"[12] in the Śāradā program, which was used in the northwestern area of the Native indian subcontinent between the 8th and 12th more than 100 years CE.[55] The manuscript was found in 1881 by a cultivator while searching in a rock fencing in the town of Bakhshali, near Peshawar (then in English Indian and now in Pakistan). Of mysterious authorship and now maintained in the Bodleian Collection in Oxford University, the manuscript has been variously dated—as starting as the "early more than 100 years of the Religious era"[56] and as overdue as between the 9th and 12th century CE.[57] The 7th century CE is now regarded a possible time frame,[58] at the same time with the chances that the "manuscript in its present-day type is really a reviews or a duplicate of an anterior statistical execute."[59]
The staying manuscript has sixty results in, some of which are in pieces. Its statistical material includes guidelines and situations, published in variety, together with composing commentaries, such as alternatives to the situations.[55] The subjects handled contain arithmetic (fractions, rectangular form origins, benefit and loss, easy attention, the idea of three, and regula falsi) and geometry (simultaneous straight variety equations and quadratic equations), and arithmetic progressions. Moreover, there is a few geometric issues (including issues about amounts of infrequent solids). The Bakhshali manuscript also "employs a decimal position value program with a dot for zero."[55] Many of its issues are the so-called equalization issues that cause to techniques of straight variety equations. One example from Fragment III-5-3v is the following:
"One vendor has seven asava farm pets, a second has nine haya farm pets, and a third has ten camels. They are similarly well off in the value of their creatures if each gives two creatures, one to each of the others. Look for the price of each pet and the complete value for the creatures owned and operated by each vendor."[60]
The composing reviews associated with the example resolves the problem by transforming it to three (under-determined) equations in four unknowns and supposing that the costs are all integers.[60]

Classical Period (400 – 1200)

This interval is often known as the fantastic age of Native indian Mathematics. This interval saw specialised mathematicians such as Aryabhata, Varahamihira, Brahmagupta, Bhaskara I, Mahavira, and Bhaskara II give wider and better form to many offices of mathematics. Their efforts would propagate to Japan, the Center Eastern, and gradually to European nations. As opposed to Vedic mathematics, their performs engaged both considerable and statistical efforts. In fact, mathematics of that interval was engaged in the 'astral science' (jyotiḥśāstra) and contains three sub-disciplines: statistical sciences (gaṇita or tantra), astrology zodiac (horā or jātaka) and divination (saṃhitā).[46] This tripartite department is seen in Varāhamihira's 6th century compilation—Pancasiddhantika[61] (literally panca, "five," siddhānta, "conclusion of deliberation", old 575 CE)—of five previously performs, Surya Siddhanta, Romaka Siddhanta, Paulisa Siddhanta, Vasishtha Siddhanta and Paitamaha Siddhanta, which were modifications of still previously performs of Mesopotamian, Ancient greek, Cotton, Roman and Native indian astronomy. As described previously, the primary written sms messages were composed in Sanskrit variety, and were followed by composing commentaries.[46]
[edit]Fifth and 6th centuries
Surya Siddhanta
Though its authorship is mysterious, the Surya Siddhanta (c. 400) contains the origins of modern trigonometry.[citation needed] Because it contains many conditions of international resource, some authors consider that it was published under the impact of Mesopotamia and Portugal.[62]
This traditional written text uses the following as trigonometric features for the first time:[citation needed]
Sine (Jya).
Cosine (Kojya).
Inverse sine (Otkram jya).
It also contains the first uses of:[citation needed]
Later Native indian specialised mathematicians such as Aryabhata developed sources to this written text, while later Persia and Latina translations were very powerful in European nations and the Center Eastern.
Chhedi calendar
This Chhedi schedule (594) contains an starting use of the modern place-value Hindu-Arabic numeral program now used globally (see also Hindu-Arabic numerals).
Aryabhata I
Aryabhata (476–550) wrote the Aryabhatiya. He described the essential essential principles of mathematics in 332 shlokas. The treatise contained:
Quadratic equations
The value of π, appropriate to 4 decimal locations.
Aryabhata also wrote the Arya Siddhanta, which is now losing. Aryabhata's efforts include:
(See also : Aryabhata's sine table)
Introduced the trigonometric features.
Defined the sine (jya) as the modern connection between 50 percent an position and 50 percent a observe.
Defined the cosine (kojya).
Defined the versine (utkrama-jya).
Defined the inverse sine (otkram jya).
Gave techniques of determining their approximated mathematical principles.
Contains the first platforms of sine, cosine and versine principles, in 3.75° durations from 0° to 90°, to 4 decimal locations of precision.
Contains the trigonometric program sin(n + 1)x − sin nx = sin nx − sin(n − 1)x − (1/225)sin nx.
Spherical trigonometry.
Continued places.
Solutions of several quadratic equations.
Whole variety alternatives of straight variety equations by a strategy comparative to the modern strategy.
General remedy of the indeterminate straight variety program .
Mathematical astronomy:
Accurate measurements for considerable always the same, such as the:
Solar surpass.
Lunar surpass.
The program for the sum of the pieces, which was an essential step in the growth of important calculus.[63]
Varahamihira (505–587) developed the Pancha Siddhanta (The Five Astronomical Canons). He developed essential efforts to trigonometry, such as sine and cosine platforms to 4 decimal locations of precision and the following treatments pertaining sine and cosine functions:

[edit]Seventh and 8th centuries

Brahmagupta's theorem declares that AF = FD.
In the 7th century, two individual places, arithmetic (which engaged mensuration) and geometry, began to appear in Native indian mathematics. The two places would later be known as pāṭī-gaṇita (literally "mathematics of algorithms") and bīja-gaṇita (lit. "mathematics of seed products," with "seeds"—like the seed products of plants—representing unknowns with the prospective to produce, in this situation, the alternatives of equations).[64] Brahmagupta, in his considerable execute Brāhma Sphuṭa Siddhānta (628 CE), engaged two places (12 and 18) dedicated to these places. Section 12, containing 66 Sanskrit in comparison to, was separated into two sections: "basic operations" (including dice origins, places, rate and percentage, and barter) and "practical mathematics" (including combination, statistical series, aircraft results, placing stones, cutting of wood, and adding of grain).[65] In the latter area, he described his popular theorem on the diagonals of a cyclic quadrilateral:[65]
Brahmagupta's theorem: If a cyclic quadrilateral has diagonals that are verticle with respect to each other, then the verticle with respect variety attracted from the point of junction of the diagonals to any aspect of the quadrilateral always bisects lack of.
Chapter 12 also engaged an equation for the place of a cyclic quadrilateral (a generalization of Heron's formula), as well as a finish information of logical triangles (i.e. triangles with logical factors and logical areas).
Brahmagupta's formula: The place, A, of a cyclic quadrilateral with factors of measures a, b, c, d, respectively, is given by

where s, the semiperimeter, given by
Brahmagupta's Theorem on logical triangles: A triangular with logical factors and logical place is of the form:

for some logical results and .[66]
Chapter 18 included 103 Sanskrit in comparison to which began with guidelines for arithmetical functions including zero and adverse numbers[65] and is regarded the first methodical treatment of the topic. The guidelines (which engaged and ) were all appropriate, with one exception: .[65] Later in the chapter, he offered the first particular (although still not absolutely general) remedy of the quadratic equation:

“ To the overall variety increased by four periods the [coefficient of the] rectangular form, add the rectangular form of the [coefficient of the] middle term; the rectangular form primary of the same, less the [coefficient of the] middle phrase, being separated by twice the [coefficient of the] rectangular form is the value. ”
This is comparative to:

Also in chapter 18, Brahmagupta was able to make success in finding (integral) alternatives of Pell's program,[68]

where is a nonsquare integer. He did this by finding the following identity:[68]
Brahmagupta's Identity: which was a generalization of an previously identification of Diophantus:[68] Brahmagupta used his identification to validate the following lemma:[68]
Lemma (Brahmagupta): If is a remedy of and, is a remedy of , then:
is a remedy of
He then used this lemma to both produce considerably many (integral) alternatives of Pell's program, given one remedy, and situation the following theorem:
Theorem (Brahmagupta): If the program has an integer remedy for any one of then Pell's equation:

also has an integer remedy.[69]
Brahmagupta did not actually validate the theorem, but rather exercised situations using his strategy. The first example he offered was:[68]
Example (Brahmagupta): Discover integers such that:

In his reviews, Brahmagupta included, "a person restoring this problem within a year is a math wizzard."[68] The remedy he offered was:

Bhaskara I
Bhaskara I (c. 600–680) prolonged the execute of Aryabhata in his guides named Mahabhaskariya, Aryabhatiya-bhashya and Laghu-bhaskariya. He produced:
Solutions of indeterminate equations.
A logical approximation of the sine operate.
A program for determining the sine of an serious position without the use of a desk, appropriate to two decimal locations.
[edit]Ninth to twelfth centuries
Virasena (9th century) was a Jain math wizzard in the judge of Rashtrakuta Master Amoghavarsha of Manyakheta, Karnataka. He wrote the Dhavala, a reviews on Jain mathematics, which:
Deals with the idea of ardhaccheda, frequent a variety could be halved; successfully logarithms to platform 2, and information various guidelines including this function.[70][71]
First uses logarithms to platform 3 (trakacheda) and platform 4 (caturthacheda).
Virasena also gave:
The derivation of the number of a frustum by a kind of unlimited process.
It is believed that much of the statistical material in the Dhavala can linked to past authors, especially Kundakunda, Shamakunda, Tumbulura, Samantabhadra and Bappadeva and time frame who wrote between 200 and 600 AD.[71]
Mahavira Acharya (c. 800–870) from Karnataka, the last of the considerable Jain specialised mathematicians, resided in the 9th century and was patronised by the Rashtrakuta king Amoghavarsha. He wrote a publication named Ganit Saar Sangraha on mathematical mathematics, and also wrote treatises about a variety of statistical subjects. These contain the mathematics of:
square origins, dice origins, and the series improving beyond these
Plane geometry
Solid geometry
Problems about the launching of shadows
Formulae produced to determine the place of an ellipse and quadrilateral inside a group.
Mahavira also:
Asserted that the rectangular form primary of a bad variety did not exist
Gave the sum of a series whose conditions are pieces of an arithmetical development, and offered scientific guidelines for place and edge of an ellipse.
Solved cubic equations.
Solved quartic equations.
Solved some quintic equations and higher-order polynomials.
Gave the typical alternatives of the greater purchase polynomial equations:

Solved indeterminate quadratic equations.
Solved indeterminate cubic equations.
Solved indeterminate greater purchase equations.
Shridhara (c. 870–930), who resided in Bengal, wrote the guides named Nav Shatika, Tri Shatika and Pati Ganita. He gave:
A good idea for finding the number of a area.
The program for restoring quadratic equations.
The Pati Ganita is a execute on arithmetic and mensuration. It offers with various functions, including:
Elementary operations
Extracting rectangular form and dice origins.
Eight guidelines given for functions including zero.
Methods of summary of different arithmetic and geometric series, which were to become conventional sources in later performs.
Aryabhata's differential equations were elaborated in the Tenth century by Manjula (also Munjala), who realized that the expression[72]

could be roughly indicated as

He recognized the idea of distinction after restoring the differential program that cause from replacing this idea into Aryabhata's differential program.[72]
Aryabhata II
Aryabhata II (c. 920–1000) wrote a reviews on Shridhara, and an considerable treatise Maha-Siddhanta. The Maha-Siddhanta has 18 places, and discusses:
Numerical mathematics (Ank Ganit).
Solutions of indeterminate equations (kuttaka).
Shripati Mishra (1019–1066) wrote the guides Siddhanta Shekhara, a considerable execute on astronomy in 19 places, and Ganit Tilaka, an imperfect arithmetical treatise in 125 in comparison to depending on a execute by Shridhara. He proved helpful mainly on:
Permutations and blends.
General remedy of the several indeterminate straight variety program.
He was also the writer of Dhikotidakarana, a execute of twenty in comparison to on:
Solar surpass.
Lunar surpass.
The Dhruvamanasa is a execute of 105 in comparison to on:
Calculating planetary longitudes
planetary transits.
Nemichandra Siddhanta Chakravati
Nemichandra Siddhanta Chakravati (c. 1100) published a statistical treatise named Gome-mat Saar.
Bhaskara II
Bhāskara II (1114–1185) was a mathematician-astronomer who wrote a variety of essential treatises, namely the Siddhanta Shiromani, Lilavati, Bijaganita, Gola Addhaya, Griha Ganitam and Karan Kautoohal. A variety of his efforts were later passed on to the Center Eastern and European nations. His efforts include:
Interest computation
Arithmetical and geometric progressions
Plane geometry
Solid geometry
The darkness of the gnomon
Solutions of combinations
Gave a evidence for department by zero being infinity.
The identification of a good variety having two rectangular form origins.
Operations with products of several unknowns.
The alternatives of:
Quadratic equations.
Cubic equations.
Quartic equations.
Equations with more than one mysterious.
Quadratic equations with more than one mysterious.
The typical way of Pell's program using the chakravala strategy.
The typical indeterminate quadratic program using the chakravala strategy.
Indeterminate cubic equations.
Indeterminate quartic equations.
Indeterminate higher-order polynomial equations.
Gave a evidence of the Pythagorean theorem.
Conceived of differential calculus.
Discovered the combination.
Discovered the differential coefficient.
Developed distinction.
Stated Rolle's theorem, a special situation of the mean value theorem (one of the most essential theorems of calculus and analysis).
Derived the differential of the sine operate.
Computed π, appropriate to five decimal locations.
Calculated the duration of the Global trend around the Sun to 9 decimal locations.
Developments of rounded trigonometry
The trigonometric formulas:

[edit]Kerala mathematics (1300–1600)

Main article: Kerala school of astronomy and mathematics
The Kerala school of astronomy and mathematics was established by Madhava of Sangamagrama in Kerala, South Indian and engaged among its members: Parameshvara, Neelakanta Somayaji, Jyeshtadeva, Achyuta Pisharati, Melpathur Narayana Bhattathiri and Achyuta Panikkar. It prospered between the Fourteenth and Sixteenth more than 100 years and the unique conclusions of the school seems to have finished with Narayana Bhattathiri (1559–1632). In trying to fix considerable issues, the Kerala school astronomers individually developed a variety of essential mathematics principles. The most essential outcomes, series development for trigonometric features, were given in Sanskrit variety in a publication by Neelakanta known as Tantrasangraha and a reviews on this execute known as Tantrasangraha-vakhya of mysterious authorship. The theorems were described without evidence, but evidence for the series for sine, cosine, and inverse tangent were offered a century later in the execute Yuktibhāṣā (c.1500–c.1610), published in Malayalam, by Jyesthadeva, and also in a reviews on Tantrasangraha.[73]
Their development of these three essential series expansions of calculus—several more than 100 years before calculus was developed in European nations by Isaac Newton and Gottfried Leibniz—was an accomplishment. However, the Kerala Institution did not make calculus,[74] because, while they were able to make Taylor series expansions for the essential trigonometric features, distinction, phrase by phrase incorporation, unity assessments, repetitive techniques for alternatives of non-linear equations, and the concept that the place under a bend is its important, they developed neither a concept of distinction or incorporation, nor the essential theorem of calculus.[75] The outcomes acquired by the Kerala school include:
The (infinite) geometric series: [76] This program was already known, for example, in the execute of the Tenth century Arabic math wizzard Alhazen (the Latinized way of the name Ibn Al-Haytham (965–1039)).[77]
A semi-rigorous evidence (see "induction" review below) of the result: for huge n. This outcome was also known to Alhazen.[73]
Intuitive use of statistical introduction, however, the inductive speculation was not developed or used in evidence.[73]
Applications of principles from (what was to become) differential and important calculus to acquire (Taylor–Maclaurin) unlimited series for , , and [74] The Tantrasangraha-vakhya gives the series in variety, which when converted to statistical observe, can be published as:[73]

where, for r = 1, the series decreases to the conventional energy series for these trigonometric features, for example:


Use of rectification (computation of length) of the arc of a group to provide a evidence of these outcomes. (The later strategy of Leibniz, using quadrature (i.e. measurements of place under the arc of the group, was not used.)[73]
Use of series development of to acquire an unlimited series idea (later known as Gregory series) for :[73]

A logical approximation of mistake for the limited sum of their series of attention. For example, the mistake, , (for n odd, and i = 1, 2, 3) for the series:

Manipulation of mistake phrase to obtain a quicker converging series for :[73]

Using the enhanced series to obtain a logical idea,[73] 104348/33215 for π appropriate up to nine decimal locations, i.e. 3.141592653.
Use of an user-friendly idea of restrict to estimate these outcomes.[73]
A semi-rigorous (see review on boundaries above) strategy of distinction of some trigonometric features.[75] However, they did not come up with the idea of a operate, or have information of the rapid or logarithmic features.
The performs of the Kerala school were first published up for the European by Brit C.M. Whish in 1835. According to Whish, the Kerala specialised mathematicians had "laid the groundwork for a finish program of fluxions" and these performs abounded "with fluxional kinds and series to be found in no execute of international nations."[78]
However, Whish's outcomes were almost absolutely ignored, until over a century later, when the conclusions of the Kerala school were examined again by C. Rajagopal and his affiliates. Their execute contains commentaries on the evidence of the arctan series in Yuktibhāṣā given in two documents,[79][80] a reviews on the Yuktibhāṣā's evidence of the sine and cosine series[81] and two documents that offer the Sanskrit in comparison to of the Tantrasangrahavakhya for the series for arctan, sin, and cosine (with English interpretation and commentary).[82][83]
The Kerala specialised mathematicians engaged Narayana Pandit[dubious – discuss] (c. 1340–1400), who composed two performs, an arithmetical treatise, Ganita Kaumudi, and an algebraic treatise, Bijganita Vatamsa. Narayana is also believed to be the writer of an complicated reviews of Bhaskara II's Lilavati, named Karmapradipika (or Karma-Paddhati). Madhava of Sangamagramma (c. 1340–1425) was the creator of the Kerala Institution. Although it is possible that he wrote Karana Paddhati a execute published sometime between 1375 and 1475, all we really know of his execute comes from performs of later college learners.
Parameshvara (c. 1370–1460) wrote commentaries on the performs of Bhaskara I, Aryabhata and Bhaskara II. His Lilavati Bhasya, a reviews on Bhaskara II's Lilavati, contains one of his essential discoveries: a edition of the mean value theorem. Nilakantha Somayaji (1444–1544) composed the Tantra Samgraha (which 'spawned' a later unknown reviews Tantrasangraha-vyakhya and a further reviews by the name Yuktidipaika, published in 1501). He elaborated and prolonged the efforts of Madhava.
Citrabhanu (c. 1530) was a Sixteenth century math wizzard from Kerala who offered integer alternatives to 21 kinds of techniques of two several algebraic equations in two unknowns. These kinds are all the possible couples of equations of the following seven forms:

For each situation, Citrabhanu offered an description and justified reason of his idea as well as an example. Some of his information are algebraic, while others are geometric. Jyesthadeva (c. 1500–1575) was another participant of the Kerala Institution. His key execute was the Yukti-bhāṣā (written in Malayalam, a local terminology of Kerala). Jyesthadeva offered evidence of most statistical theorems and unlimited series previously found by Madhava and other Kerala Institution specialised mathematicians.
[edit]Charges of Eurocentrism

It has been recommended that Native indian efforts to mathematics have not been given due identification in modern record and that many conclusions and technology by Native indian specialised mathematicians were known to their European alternatives, duplicated by them, and offered as their own unique work; and further, that this huge plagiarism has gone unacknowledged due to Eurocentrism. According to G. G. Joseph:
[Their work] takes on panel some of the questions brought up about the traditional Eurocentric velocity. The attention [of Native indian and Persia mathematics] is all too likely to be tempered with dismissive returns of their significance when in comparison to Ancient greek mathematics. The efforts from other cultures - such as China suppliers and Indian, are recognized either as people from Ancient greek resources or having developed only slight efforts to popular statistical growth. An visibility to more latest research conclusions, especially in the situation of Native indian and China mathematics, is unfortunately missing"[84]
The historian of mathematics, Florian Cajori, recommended that he and others "suspect that Diophantus got his first glance of algebraic information from Indian."[85] However, he also wrote that "it is certain that areas Hindu mathematics are of Ancient greek origin".[86]
More lately, as mentioned in the above area, the unlimited series of calculus for trigonometric features (rediscovered by Gregory, Taylor, and Maclaurin in the overdue Seventeenth century) were described (with proofs) in Indian, by specialised mathematicians of the Kerala school, extremely some two more than 100 years previously. Some college learners have lately recommended that information of these outcomes might have been passed on to European nations through the business path from Kerala by investors and Jesuit missionaries.[87] Kerala was in ongoing contact with China suppliers and Arabic, and, from around 1500, with European nations. The everyday living of interaction tracks and a appropriate chronology certainly make such a sign a probability. However, there is no immediate evidence by way of appropriate manuscripts that such a sign actually took position.[87] According to Mark Bressoud, "there is no evidence that the Native indian execute of series was known beyond Indian, or even outside of Kerala, until the 19th century."[74][88]
Both Arabic and Native indian college learners developed conclusions before the Seventeenth century that are now regarded a aspect of calculus.[75] However, they were not able to, as Newton and Leibniz were, to "combine many varying principles under the two unifying designs of the combination and the important, show the connection between the two, and convert calculus into the excellent problem-solving device we have these days."[75] The perceptive professions of both Newton and Leibniz are well-documented and there is no sign of their execute not being their own;[75] however, it is not known with guarantee whether the immediate forerunners of Newton and Leibniz, "including, in particular, Fermat and Roberval, discovered of some of the principles of the Islamic and Native indian specialised mathematicians through resources we are not now conscious."[75] This is an effective place of present research, especially in the manuscripts selections of The country and Maghreb, research that is now being followed, among other locations, at the Center Nationwide de Recherche Scientifique in London.[75]
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Mathematics in India past present and future
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Post: #7
Kerala school
Let me nally come to what is called the Kerala School. In the 1830s, Charles Whish, an English civil servant in the Madras establishment of the East India Company, brought to light a collection of manuscripts from a mathematical school that ourished in the north-central part of Kerala, between what are now Kozhikode and Kochi. The school, with a long teacher-student lineage, lasted for over 200 years from the late 14th century well into the 17th century. It is seen to have originated with Madhava, who has been attributed by his successors many results presented in their texts. Apart from Madhava, Nilakantha Somayaji was another leading personality from the school. There are no extant works of Madhava on mathematics (though some works on astronomy are known). Nilakantha authored a book called Tantrasangraha (in Sanskrit) in 1500 AD. There have also been expositions and commentaries by many other exponents from the school, notable among them being Yuktidipika and Kriyakramakari by Sankara, and Ganitayuktibhasha by Jyeshthadeva which is in Malayalam. Since the middle of the 20th century, various Indian scholars have researched on these manuscripts and the contents of most of the manuscripts have been looked into. An edited translation of the latter was produced by K.V. Sarma and it has recently been published with explanatory notes by K. Ramasubramanian, M.D. Srinivas and M.S. Sriram. An edited translation of Tantrasangraha has been brought out more recently by K. Ramasubramanian and M.S. Sriram.
The Kerala works contain mathematics at a considerably advanced level than earlier works from anywhere in the world. They include a series expansion for ‘pi' and the arc-tangent series, and the series for sine and cosine functions that were obtained in Europe by Gregory, Leibnitz and Newton, respectively, over 200 years later. Some numerical values for ‘pi' that are accurate to 11 decimals are a highlight of the work. In many ways, the work of the Kerala mathematicians anticipated calculus as it developed in Europe later, and in particular involves manipulations with indenitely small quantities (in the determination of circumference of the circle and so on) analogous to the innitesimals in calculus; it has also been argued by some authors that the work is indeed calculus already.
Honouring the tradition
A lot needs to be done to honour this rich mathematical heritage. The extant manuscripts need to be cared for to prevent deterioration, catalogued properly with due updates and, most important, they need to be studied diligently and the ndings placed in proper context on the broad canvass of the world of mathematics, from an objective standpoint. Let the occasion of the 125th birth anniversary of the genius of Srinivasa Ramanujan, a global mathematician to the core, inspire us as a nation, to apply ourselves to this task.
Post: #8
Indian mathematics emerged in the Indian subcontinent from 1200 BC until the end of the 18th century. In the classical period of Indian mathematics (400 AD to 1200 AD), important contributions were made by scholars like Aryabhata, Brahmagupta, and Bhaskara II. The decimal number system in use today was first recorded in Indian mathematics.Indian mathematicians made early contributions to the study of the concept of zero as a number, negative numbers, arithmetic, and algebra.In addition, trigonometry was further advanced in India, and, in particular, the modern definitions of sine and cosine were developed there. These mathematical concepts were transmitted to the Middle East, China, and Europe and led to further developments that now form the foundations of many areas of mathematics.
Ancient and medieval Indian mathematical works, all composed in Sanskrit, usually consisted of a section of sutras in which a set of rules or problems were stated with great economy in verse in order to aid memorization by a student. This was followed by a second section consisting of a prose commentary (sometimes multiple commentaries by different scholars) that explained the problem in more detail and provided justification for the solution. In the prose section, the form (and therefore its memorization) was not considered so important as the ideas involved. All mathematical works were orally transmitted until approximately 500 BCE; thereafter, they were transmitted both orally and in manuscript form. The oldest extant mathematical document produced on the Indian subcontinent is the birch bark Bakhshali Manuscript, discovered in 1881 in the village of Bakhshali, near Peshawar (modern day Pakistan) and is likely from the 7th century CE.
A later landmark in Indian mathematics was the development of the series expansions for trigonometric functions (sine, cosine, and arc tangent) by mathematicians of the Kerala school in the 15th century CE. Their remarkable work, completed two centuries before the invention of calculus in Europe, provided what is now considered the first example of a power series (apart from geometric series). However, they did not formulate a systematic theory of differentiation and integration, nor is there any direct evidence of their results being transmitted outside Kerala
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