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1800 BCE
Babylonian Mathematics
They solved quadratic equations and they complete the square method. Also, they used clay tablets to solve problems. -
628 BCE
Brahmagupta
He wrote many books on algebra. He Discovered new ways to solve equations in India along with that. -
532 BCE
Pythagoras
He used geometric figures like triangles and cubes to solve equations. -
200
Diophantus
He is sometimes called “the father of algebra”, and wrote an influential series of books called the “Arithmetica” a collection of algebraic problems which greatly influenced the subsequent development of number theory. -
499
Aryabhata
He wrote one of the earliest-known detailed books on the subject of math. -
820
Al-Khwārizmī
He developed quick methods for multiplying and dividing numbers. -
1130
Al-Samawal
He created a definition for “algebra.” He difined it as "[it is concerned] with operating on unknowns using all the arithmetical tools, in the same way as the arithmetician operates on the known.” -
1559
Francois Viete
Started to use letters to replace variables and he used the +/- signs to represent addition and subtraction. -
René Descartes
He was the first person to link algebra to geometry.In fact he also connected it to science and music. -
Niels Henrik Abel
Found out that there is no general formula that solves equations.