While Rome rose and fell, mathematicians across India and China were independently inventing zero, negative numbers, decimal place value, and infinite series for pi centuries ahead of Europe.
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TERRITORY BADGE
Reckoner of the Silk Road
Complete all 21 lessons to claim
The Path Through
builds on III · Alexandria's Scholars
The Sieve of Sundaram: An Indian Prime Sieve
Number Theory
L103
The Nine Chapters: China's Mathematical Classic
Arithmetic
L109
Gaussian Elimination: China Got There First
Algebra
L111
Liu Hui: China's Archimedes
Biography
L112
Aryabhata: India's Mathematical Revolutionary
Biography
L114
Brahmagupta: The Man Who Mastered Zero and Negatives
Biography
L115
The Invention of Zero: India's Gift to the World
Arithmetic
L120
Indian Combinatorics: Counting Before Probability
Combinatorics
L121
The Sulba Sutras: Indian Geometry for Ritual
Geometry
L123
The Chinese Remainder Theorem: Solving with Remainders
Number Theory
L167
Rod Numerals: China's Decimal System
Arithmetic
L168
Negative Numbers: China's Bold Idea
Arithmetic
L169
The Decimal Place-Value System: Why 10 Changed Everything
Arithmetic
L170
Indian Trigonometry: Sine Instead of Chord
Geometry
L171
Brahmagupta's Formula: Area of a Cyclic Quadrilateral