Approximation algorithm – Class of algorithms that find approximate solutions to optimization problems

approximate computing – Computation of nearly accurate results

Binomial approximation – Approximation of powers of some binomials

Congruence relation – Equivalence relation in algebra

Double tilde (disambiguation) – Various meanings of ~~ or ≈

Estimation – Process of finding an approximation

Fermi problem – Estimation problem in physics or engineering education

Idealization (philosophy of science) – Process by which a scientific model is simplified by assuming strictly false facts to be true

Least squares – Approximation method in statistics

Linear approximation – Approximation of a function by its tangent line at a point

Newton's method – Algorithm for finding a zero of a function

Order of approximation – Expressions for approximation accuracy

Rough set – Approximation of a mathematical set

Runge–Kutta methods – Family of implicit and explicit iterative methods

Significant figures – Any digit of a number within its measurement resolution, as opposed to spurious digits

Small-angle approximation – Simplification of the basic trigonometric functions

Successive-approximation ADC – Type of analog-to-digital converter

Taylor series – Mathematical approximation of a function

Tolerance relation – Math relation that is reflexive and symmetric

image approximation

define approximation

wikipedia approximation

weblio approximation

kotobank approximation

jisho approximation