Equations

relation in Euclidean geometry among the three sides of a right triangle

thumb|right|300px|The first use of an equals sign, equivalent to 14x + 15 = 71 in modern notation. From The Whetstone of Witte by [[Robert Recorde of Wales (1557).]]

polynomial equation in a single variable where the highest exponent of the variable is 2

equation that does not involve powers or products of variables

collection of linear equations involving the same set of variables

model of chemical reaction in form of a written equation

a polynomial equation in a single variable where the highest exponent of the variable is 3.

equation of the form of equality of two polynomials

problem optimization method that simplifies a complicated problem by decomposing it into simpler subproblems recursively

finite set of equations to be solved simultaneously (as a logical conjunction), possibly for multiple unknowns

factor 1∕√(1−𝑣²∕𝑐²) in special relativity expressing how much the measurements of time, length etc. change for a moving object

parametric system of coordinates

finding values for variables that make an equation true

apparent solar time minus mean solar time

polynomial equation of degree four

formula that provides the solution(s) to a quadratic equation

mathematical model of a financial market with options

physical theory describing classical fields

equation used in relativistic physics

Method for load calculation in construction

function defined by a polynomial of degree four

equation containing a transcendental function of the variable(s) being solved for

equation in economics

estimate of future interest rates

polynomial equation of degree six

addition of solvent to decrease the concentration of a solution

identity in Itô calculus analogous to the chain rule

quasilinear first-order ordinary differential equation describing the rotation of a rigid body

mathematical equation

equation

exact solution of the Einstein field equations describing the spacetime around an electrically charged and rotating mass

free-energy relationship in organic chemistry

Electromagnetic equations describing superconductors

necessary condition for optimality associated with dynamic programming

Relates areas of three parallelograms attached to three sides of an arbitrary triangle

equation that describes how solids transform from one phase to another at constant temperature

Study of polynomial equations

equations governing time evolution of physical systems

mathematical description of a body in free fall

circle in a coordinate plane associated with a quadratic equation

(of a real number a) unique real root of the polynomial x^5+x+a

Equation used in chemical engineering

equation created by Evangelista Torricelli

function defined by a polynomial of degree five

relation in chromatography

description of how a trait or gene changes in frequency over time

atmospheric equation in meteorology

technical term; relative density compared to water, of the wort or must at various stages in the fermentation of alcoholic beverages

on a Lie group G, a canonical 1-form valued in its own Lie algebra; the unique principal-bundle connection on the unique G-bundle over the one-point space

theorem on the circulation in fluids

set of values that satisfy a given set of equations or inequalities

closed form expression of addition, subtraction, multiplication, division, powers and roots

method used to estimate an individual's basal metabolic rate

nonlinear modification of the Schrödinger equation

Vector field in Riemannian geometry

Relation between friction factor and Reynolds number

Mathematical concept

type of nonlinear equation that arises in infinite-horizon optimal control problems

date on which a pregnant woman is estimated to give birth

either of two formulas used in telecommunications engineering