Aryabhatta was a mathematician and astronomer born in 476 CE in Bihar, India. He studied at the renowned university of Kusumapura and became the head of an institution. His major work, the Aryabhatiya, covered mathematics including algebra, trigonometry, and astronomy. In it, he accurately calculated pi and introduced the place value system. He also correctly proposed that the Earth rotates daily and revolves around the sun annually, and that eclipses can be scientifically explained. Aryabhatta's work was influential and extensively used in later Indian mathematics and astronomy literature.
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Aryaabhatt ,one of the most renewed scientist and mathematician indian history. this ppt is about him and his
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Prepared for B.Ed. Sem. II students of Mathematics pedagogy, of university of Lucknow.
Aryabhatt and his major invention and worksfathimalinsha
Aryaabhatt ,one of the most renewed scientist and mathematician indian history. this ppt is about him and his
major invention or works or discoveries in science,mathematics.this ppt contains information regarding aryabhattia,his knowledge on Place value system and zero Pi as irrational Mensuration and trigonometry Indeterminate equations Algebra
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3. About Aryabhatta
Aryabhatta was born in Taregna which is a
small town in Bihar, India, about 30 km
from Patna the capital city of Bihar State.
Born - 476 CE
Died - 550 CE
Era - Gupta era
Region - India
Main interests - Mathematics, Astronomy
4. Education
He was born outside Patliputra and traveled to
Magadha, the centre of instruction, culture and
knowledge for his studies where he even set up a
coaching institute.
He went to Kusumapura for advanced studies and lived
there for some time.
Aryabhatta was the head of an institution (kulapati) at
Kusumapura, and, because the university of Nalanda
was in Pataliputra at the time and had an astronomical
observatory.
5. Works
Aryabhata is the author of several treatises on
mathematics and astronomy, some of which are lost.
His major work, ‘Aryabhatiya’, a compendium of
mathematics and astronomy, was extensively referred
to in the Indian mathematical literature and has
survived to modern times.
The mathematical part of the Aryabhatiya covers
arithmetic, algebra, plane trigonometry, and spherical
trigonometry. It also contains continued fractions,
quadratic equations, sums-of-power series, and a table
of sines.
6. Works in Mathematics
Place value system and zero.
While he did not use a symbol for zero, the French
mathematician Georges If rah explains that knowledge
of zero was implicit in Aryabhatta's place-value system
as a place holder for the powers of ten with null
coefficients.
He used letters of the alphabet to denote numbers,
expressing quantities, such as the table of sines in a
mnemonic form.
7. Approximation of π
Aryabhata worked on the approximation for pi (), and
may have come to the conclusion that is irrational.
"Add four to 100, multiply by eight, and then add
62,000. By this rule the circumference of a circle with a
diameter of 20,000 can be approached."
This implies that the ratio of the circumference to the
diameter is ((4 + 100) × 8 + 62000)/20000 =
62832/20000 = 3.1416, which is accurate to five
significant figures.
8. Trigonometry
Aryabhata gives the area of a triangle as "for a triangle,
the result of a perpendicular with the half-side is the
area.“
Aryabhata discussed the concept of sine in his work by
the name of ardha-jya, which literally means "half-
chord".
If we use Aryabhata's table and calculate the value of
sin(30) which is 1719/3438 = 0.5; the value is correct.
His alphabetic code is commonly known as the
Aryabhata cipher.
9. Indeterminate Equation
A problem of great interest to Indian mathematicians
since ancient times has been to find integer solutions
to equations that have the form ax + by = c.
The number which gives 5 as the remainder when
divided by 8, 4 as the remainder when divided by 9,
and 1 as the remainder when divided by 7.
That is, find N = 8x+5 = 9y+4 = 7z+1.
It turns out that the smallest value for N is 85.
10. Astronomy
Aryabhatta's system of astronomy was called the
audayaka system, in which days are reckoned from
uday, dawn at lanka or "equator".
In some texts, he seems to describe the apparent
motions of the heavens to the Earth's rotation. He may
have believed that the planet's orbits as elliptical
rather than circular.
11. Motions Of The Solar System
Aryabhata correctly insisted that the earth rotates
about its axis daily, and that the apparent movement of
the stars is a relative motion caused by the rotation of
the earth, contrary to the then-prevailing view in other
parts of the world, that the sky rotated.
Aryabhata described a geocentric model of the solar
system, in which the Sun and Moon are each carried
by epicycles. They in turn revolve around the Earth.
12. The order of the planets in terms of distance from
earth is taken as: the Moon, Mercury, Venus, the Sun,
Mars, Jupiter, Saturn, and the asterisms.
The positions and periods of the planets was
calculated relative to uniformly moving points. In the
case of Mercury and Venus, they move around the
Earth at the same mean speed as the Sun. In the case
of Mars, Jupiter, and Saturn, they move around the
Earth at specific speeds, representing each planet's
motion through the zodiac.
13. Eclipses
Solar and lunar eclipses were scientifically
explained by Aryabhata.
Aryabhata states that the Moon and planets shine
by reflected sunlight.
He discusses at length the size and extent of the
Earth's shadow and then provides the computation
and the size of the eclipsed part during an eclipse.
14. Later Indian astronomers improved on the
calculations, but Aryabhata's methods provided the
core.
There are also many theory which are being proved by
Aryabhatta.