- an
equation is a
mathematical formula that
expresses the
equality of two expressions, by
connecting them with the
equals sign =. The word
equation and...
- In mathematics, a
differential equation is an
equation that
relates one or more
unknown functions and
their derivatives. In applications, the functions...
- Maxwell's
equations, or Maxwell–Heaviside
equations, are a set of
coupled partial differential equations that,
together with the
Lorentz force law, form...
- The wave
equation is a second-order
linear partial differential equation for the
description of
waves or
standing wave
fields such as
mechanical waves...
- The Schrödinger
equation is a
partial differential equation that
governs the wave
function of a non-relativistic quantum-mechanical system.: 1–2 Its...
- The
Drake equation is a
probabilistic argument used to
estimate the
number of active,
communicative extraterrestrial civilizations in the
Milky Way Galaxy...
- In algebra, a
cubic equation in one
variable is an
equation of the form a x 3 + b x 2 + c x + d = 0 {\displaystyle ax^{3}+bx^{2}+cx+d=0} in
which a is...
- In
physics and chemistry, an
equation of
state is a
thermodynamic equation relating state variables,
which describe the
state of
matter under a given...
- In mathematics, a
quadratic equation (from
Latin quadratus 'square') is an
equation that can be
rearranged in
standard form as a x 2 + b x + c = 0 , {\displaystyle...
- In
particle physics, the
Dirac equation is a
relativistic wave
equation derived by
British physicist Paul
Dirac in 1928. In its free form, or including...
