Example image of eyePlorer eyePlorer map for 'Unit fraction': 1 (number) Fraction (mathematics) Integer Numerator Rational number Multiplicative inverse Multiplication Addition Division (mathematics) Subtraction Modular arithmetic Coprime Extended Euclidean algorithm Greatest common divisor Egyptian fraction Erdős–Graham conjecture Erdős–Straus conjecture Harmonic divisor number Number theory Geometric group theory Triangle group Series (mathematics) Harmonic series (mathematics) Euler–Mascheroni constant Natural logarithm Apéry's constant Basel problem Geometric series Reciprocal Fibonacci constant Hilbert matrix Invertible matrix Fibonacci number Uniform distribution (discrete) Principle of indifference Zipf's law Bohr model Electron orbital Hydrogen atom Photon Arthur Stanley Eddington Fine-structure constant Cahen's constant Greedy algorithm for Egyptian fractions Rhind Mathematical Papyrus 2/n table Odd greedy expansion Red auxiliary numbers Sylvester's sequence Ancient Egyptian units of measurement Cyclic number Proportion (architecture)