an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. The word equation and...

"The Equation" is the eighth episode of the first season of the American science fiction drama television series Fringe. The episode follows the Fringe...

In algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as a x 2 + b x + c = 0 , {\displaystyle...

mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions generally...

The Schrödinger equation is a linear partial differential equation that governs the wave function of a quantum-mechanical system.: 1–2  Its discovery...

physics, the heat equation is a certain partial differential equation. Solutions of the heat equation are sometimes known as caloric functions. The theory...

This is called Poisson's equation, a generalization of Laplace's equation. Laplace's equation and Poisson's equation are the simplest examples of elliptic...

a cubic equation in one variable is an equation of the form ax3+bx2+cx+d=0{\displaystyle ax^{3}+bx^{2}+cx+d=0} in which a is nonzero. The solutions...

The Navier–Stokes equations (/nævˈjeɪ stoʊks/ nav-YAY STOHKS) are partial differential equations which describe the motion of viscous fluid substances...

In mathematics, a linear equation is an equation that may be put in the form a 1 x 1 + … + a n x n + b = 0 , {\displaystyle a_{1}x_{1}+\ldots +a_{n}x_{n}+b=0...