Symbols and notation

Epsilon symbol

Epsilon commonly denotes a small positive quantity, an error tolerance or an arbitrarily small bound, although individual formulas may define it differently.

Common notation ε>0

In one sentence

What does Epsilon symbol mean?

Epsilon commonly denotes a small positive quantity, an error tolerance or an arbitrarily small bound, although individual formulas may define it differently.

How it is written

ε>0

A compact example

An iterative approximation may stop when its error is smaller than a chosen tolerance ε=0.001.

Other names and search terms

ε, ϵ, epsilon, error tolerance, small positive number.

Clear answers

Questions about Epsilon symbol

What does Epsilon symbol mean in mathematics?

Epsilon commonly denotes a small positive quantity, an error tolerance or an arbitrarily small bound, although individual formulas may define it differently.

How is Epsilon symbol written?

A common notation is ε>0.

What is an example of Epsilon symbol?

An iterative approximation may stop when its error is smaller than a chosen tolerance ε=0.001.