HELLENISTIC, GREEK AND INCIENT AND MEDIEVAL CHINA

Sun Zi level up one leg of the gnomon and use the other leg as aplumb line.

PLACE VALUE DEFINED AS THE VALUE REPRESENTED BY A DIGIT IN A NUMBER ON THE BASIS OF ITS POSITION IN THE NUMBER.

Pythagoras believed the earth was a sphere as were sun, moon and stars, which he believed circled the earth.

Heraclides modified Cllipus' theory by adding more spheres.

He wrote his mathematical manual. including formula for summing an arithmetic sequence.

He explain Jiu Xian's methods for solving higher-degree root extractions.

who is the father of modern geometry?

He proved the theorem that gives the sum and difference formulas for chords.

This book is listed as the first and one of the most important of all the text included in the Ten Mathematical Classics

Attic is the ancient greek numeral system.

Hipparchus was primarily an astronomer, but the beginnings of trigonometry apparenty began with him.

SATAPATHA BRAHMANA DISCOVERED THE PI

He is considered as first greek philosopher.

He discovered obliquity of ecliptic.

He made his owm astronomical observations and recommemded ne calendar.

HE LAID FOUNDATIONS OF ALGEBRA AND ZERO CONCEPT

It is the branch of mathematics concerned with specific functions of angles and their application to calculation.

IT IS THE INSTRUCTIONS USED FOR CONSTRUCTING VARIOUS GEOMETRICAL SHAPES IN BUILDING 'FIRE-ALTARS' AND TEMPLE-BASES

3.126 IS THE 1ST VALUE OF PI

He believed sun lights moon & earth.