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Mathematicians

Often, to completely understand the importance of a mathematical theory, it's essential to know about the person who developed it. This category is where all questions about historically significant mathematicians should be asked.

6,570 Questions

What happened to Copernicus parents?

they died when he was 12 they died when he was 12

Where did Leonardo Fibonacci children grew up?

fibonacci's children grew up in a small town called Holden McCock

he did have kids and a wife

What are the contributions of Eudoxus in geocentric theory?

He created a model for the universe that explained retrograde motion if Earth was at the centre.

What are three accomplishments of Hipparchus?

~"He was the first Greek to develop quantitative and accurate models for the motion of the Sun and Moon."

~"He was also the first to compile a trigonometric table, which allowed him to solve any triangle."

~"he was probably the first to develop a reliable method to predict solar eclipses"

Why did blaise pascal important contribution?

Blaise Pascal invented the Pascaline and Pascal's Triangle.

Pascal's Triangle was a triangle, which started of with 1. The number underneath is worked out by adding the two numbers above it together. Using Pascal's Triangle, we can find many patterns, including Triangle Numbers.

What was Euclid's most important accomplishment?

Euclid's most important accomplishment was the compilation of all the mathematics known in his time, which he included in this treatise 'Elements. 'Elements formed the basis of geometry as it is taught to this day, over 2,000 years later.

Who are the great mathematician and their contributions?

Ahmes was the Egyptian scribe who wrote the Rhind Papyrus - one of the oldest known mathematical documents.

Thales was the first known Greek philosopher, scientist and mathematician. He is credited with five theorems of elementary geometry.

Pythagoras was a Greek philosopher who made important developments in mathematics, astronomy, and the theory of music. The theorem now known as Pythagoras's theorem was known to the Babylonians 1000 years earlier but he may have been the first to prove it.

Euclid was a Greek mathematician best known for his treatise on geometry: The Elements . This influenced the development of Western mathematics for more than 2000 years.

Heron or Hero of Alexandria was an important geometer and worker in mechanics who invented many machines including a steam turbine. His best known mathematical work is the formula for the area of a triangle in terms of the lengths of its sides. A is the area of a triangle with sides a, b and c and s = (a + b + c)/2 then A^2 = s (s - a)(s - b)(s - c)....

Menelaus was one of the later Greek geometers who applied spherical geometry to astronomy. He is best known for the so called Menelaus's theorem.

François Viète was a French amateur mathematician and astronomer who introduced the first systematic algebraic notation in his book In artem analyticam isagoge . He was also involved in deciphering codes. he calculated π to 10 places using a polygon of 6 216= 393216 sides. He also represented π as an infinite product which, as far as is known, is the earliest infinite representation of π.

Johannes Kepler was a German mathematician and astronomer who postulated that the Earth and planets travel about the sun in elliptical orbits. He gave three fundamental laws of planetary motion. He also did important work in optics and geometry.

René Descartes was a French philosopher whose work, La géométrie, includes his application of algebra to geometry from which we now have Cartesian geometry. His work had a great influence on both mathematicians and philosophers.

Leonhard Euler was a Swiss mathematician who made enormous contributions to a wide range of mathematics and physics including analytic geometry, trigonometry, geometry, calculus and number theory. Firstly his work in number theory seems to have been stimulated by Goldbach but probably originally came from the interest that the Bernoullis had in that topic. Goldbach asked Euler, in 1729, if he knew of Fermat's conjecture that the numbers 2^n + 1 were always prime if n is a power of 2. Euler verified this for n = 1, 2, 4, 8 and 16 and, by 1732 at the latest, showed that the next case 2^(32) + 1 = 4294967297 is divisible by 641 and so is not prime. Euler also studied other unproved results of Fermat and in so doing introduced the Euler phi function (n), the number of integers k with 1 k n and k co prime to n. He proved another of Fermat's assertions, namely that if a and b are co prime then a^2 + b^2 has no divisor of the form 4n - 1, in 1749. Other work done by Euler on infinite series included the introduction of his famous Euler's constant , in 1735, which he showed to be the limit of

1/1 + 1/2 + 1/3 + ... + 1/n - log(e) n

Lagrange excelled in all fields of analysis and number theory and analytical and celestial mechanics. He also worked on number theory proving in 1770 that every positive integer is the sum of four squares. In 1771 he proved Wilson's theorem (first stated without proof by Waring) that n is prime if and only if (n -1)! + 1 is divisible by n.

What observations did Copernicus make?

He put the sun at the centre of the solar system,not the Earth as favoured by religion.

De Morgan's first theorem and second theorem?

De Morgan's first theory is that the NAND gates stay on the left with the two points, while the right side has inverted inputs on the OR gate to create the Bubbled OR. The second theory has a NOR gate on the left side with the two points and the right side with an AND gate that has inverted inputs to create a Bubbled AND.

Which of these was not a contribution of Copernicus?

Which is not a contribution of Copernicus?

A) The Sun lies at the center of the solar system.

B) Mars will retrograde when we overtake it near opposition.

C) Planetary orbits are elliptical in shape.

D) Venus retrogrades when she overtakes us at inferior conjunction.

E) The approximate spacing of the planet orbits away from the sun.

How long did Leonardo Fibonacci live?

He lived [Fibonacci(10) + Fibonacci(8) + Fibonacci(6)] years

What did st john neumann do?

St. John Neumann was a Catholic Priest. St. John Neumann is most known for being the first American priest to be canonized.

What education did Copernicus have?

He went to the Waldorf school in Papua New Guinea, Poland.

What are the contributions of Leonhard Euler in complex numbers?

One of the most significant contribution is Euler's Formula which relates the value eiθ to sine and cosine. Mainly,when θ = wt (w is omega, representing frequency, and t is time)

Aeiwt = Acos(wt)+Aisin(wt), where cosine is the "real" portion of the number and "sine" is the imaginary.

Another way to think of this is by making an axis system where real numbers are on the horizontal (x-axis) and imaginary number are on the vertical (y-axis) then the cosine value would be the number on the x-axis and the sine would be the number on the vertical axis. (This is similar to how you disect the unit circle.)

What was Copernicus book about?

I am not sure which of his books you are asking us about, since he wrote at least three of them. But his best known was On the Revolutions of the Celestial Spheres (in Latin,

De revolutionibus orbium coelestium). Nicolaus Copernicus was an astronomer, and this book taught something entirely new for the 1500s-- that the planets revolved around the sun.

Who were Pythagoras' siblings?

Damo is one of the daughters ofTheano and Pythagoras.She was born, in Croton. Both her parents were philosophers as were her siblings, Arignote, Myia and her brother Telauges.

She studied in the School at Croton and then went on to teach there. Apparently she was well trusted both for her philosophy. her integrity and her loyalty since before his death Pythagoras entrusted his written works to her care.

When the Pythagorean school in Croton closed, she emigrated to Athens. In Athens, she was , of course, one of the class of "Athenian Strangers" (see: the article about the classes of women in Athens at Asphasia and Athenian citizens and strangers