Calculus Calculus and the Legend of the Founding of Carthage How modern calculus of variations solved an ancient math problem.

Quantum Physics Schrödinger’s Equation “So do any of you guys know quantum physics?” Paul Rudd in Avengers: Endgame

Mathematics The Arithmetic-Geometric Mean Inequality Suppose that x and y are non-negative real numbers, not necessarily distinct. The famous arithmetic-geometric mean inequality says that:

Physics The Heat Equation: Inhomogeneous Boundary Conditions This is the third article in my series on partial differential equations. Before reading further you might want to read part one (9…

Mathematics Taylor’s Theorem Approximating functions near points. It’s cooler than it sounds, trust me.

Mathematics Introduction to Group Theory An introduction to abstract algebra with no prerequisites, and a computer science application.

Mathematics What is Fractional Calculus? “A paradox from which one day useful consequences will be drawn.” ~Gottfried Leibniz

Physics Featured Richard Feynman’s Integral Trick Today’s article is going to discuss an obscure but powerful integration technique most commonly known as differentiation under the integral sign, but occasionally referred to as “Feynman’s technique” ...