Explorations of Ancient Mathematical Tales
A king's reward request doubles with each square—revealing the explosive power of exponential growth across 64 squares.
Emperor Yu discovers a mystical 3×3 pattern on a turtle's shell where all rows, columns, and diagonals sum to 15.
The general counts his troops using remainders—an early application of the Chinese Remainder Theorem.
Soldiers in a circle eliminate every k-th person. Which position survives to the end?
A Pythagorean's proof of irrationality—legend says his discovery cost him his life at sea.
Testing a crown's purity through water displacement—the famous bathtub moment of discovery.
A legendary riddle whose solution explodes into numbers with hundreds of thousands of digits.
Measuring the great pyramid's height using nothing but shadows and similar triangles.
A blacksmith's hammers reveal the mathematical ratios behind musical consonance.
Sanskrit prosody patterns form Pascal's triangle centuries before Pascal—and connect to Fibonacci.
Elegant verse riddles from Bhāskara II, named for his daughter whose wedding hour slipped away.
Three brothers inherit camels in fractions that don't divide—until a wise stranger lends one more.
Ancient Vedic geometry for ritual constructions encodes precise area transformations and Pythagorean triples.