an excellent approximationto the sine function, are known only from the writings ofBhaskara I, who wrote: "Aryabhata isthe master who, after reaching the furthest shores and plumbing the inmostdepths of the sea of ultimate knowledge of mathematics, kinematicsand spherics, handed over the three sciences to the learned world."
No one person gets unique credit for the invention of thedecimal system but Brahmagupta's textbook was very influential, and is sometimes consideredthe first textbook "to treat zero as a number in its own right."It also treated negative numbers.
He gave some properties as follows:-
Brahmagupta then tried to extend arithmetic to include division by zero:-
Brahmagupta - Mathematician Biography, Facts and …