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17 Equations

In his book, In Pursuit of the Unknown: 17 Equations That Changed the World, Ian Stewart discusses each equation engagingly and practically…

Pythagorean Theorem

$a^2 + b^2 = c^2$

Logarithms

$log{xy} = log{x} + log{y}$

Calculus

Newton’s Law of Gravity

Complex Numbers

$i^2=-1$

Euler’s Formula for Polyhedra

Normal Distribution

Wave Equation

Fourier Transform

Maxwell’s Equations

Second Law of Thermodynamics

$dS\geq0$

Relativity

$E=mc^2$

Schrodinger’s Equation

Information Theory

$H=-\sum p(x) + log{p(x)}$

Chaos Theory

$x_{t+1} = kx_t(1-x_i)$

Black-Scholes Equation