History - II
A.D Era - 15th Century
a. Johannes Kepler (1570 - 1630 A.D)
-> The orbit of Mars was an ellipse with the Sun located at one of the foci.
-> Kepler's Laws of Planetary Motion (Physics).
-> Universe is governed by geometric relationships from inscribed and circumscribed circles.
b. Rene Descartes (1596 - 1650 A.D)
-> Wrote the philosophical treatise Discours de la methode, that contains the famous quote: "I think, therefore I'am".
-> La Geometrie.
-> Cartesian coordinates.
A.D Era - 16th Century
a. Pierre de Fermat (1601 - 1665 A.D)
-> Explored Analytical Geometry, Calculus, and Number Theory.
-> Prime Number "n x 2 + 1 = y2.
-> Fermat's Last Theorem.
b. Blaise Pascal (1623 - 1662 A.D)
-> Pascaline Machine.
-> Published an essay about Conic section.
-> The sum of the angles of a triangle equals to two right angles.
c. Sir Isaac Newton (1642 - 1727 A.D)
-> Founder of Differential Calculus - "method of fluxions".
-> Investigated Integral Calculus - "inverse method of fluxions".
-> Principia Mathematica (1687); Binomial Theorem.
d. Gottfried Leibniz (1646 - 1716 A.D)
-> Product Rule.
-> Modern dy/dx notation.
-> Modern Integral symbol.
e. Michel Rolle (1652 - 1718 A.D)
-> Diophantine Analysis.
-> Theorem on the position of the roots of equation.
-> Rolles Theorem