Thomas Harriot


Harriot, Thomas

 

Born 1560 in Oxford; died July 2, 1621, in London. English mathematician.

In The Practice of Analytical Art (1631, published posthumously), Harriot introduced the signs > (greater than) and < (less than), used small letters to represent numbers, formulated equations based on this usage, found an expression for the area of spherical triangles, and did other important work.

REFERENCE

Wileitner, H. Istoriia matematiki ot Dekarta do serediny 19 stoletiia, 2nd ed. Moscow, 1966. (Translated from German.)