Symbols and notation

Infinity symbol

The infinity symbol describes unbounded growth, extent or continuation; it is not an ordinary real number on which standard arithmetic rules always apply.

Common notation

In one sentence

What does Infinity symbol mean?

The infinity symbol describes unbounded growth, extent or continuation; it is not an ordinary real number on which standard arithmetic rules always apply.

How it is written

A compact example

The sequence 1, 2, 3, … continues without a largest term and is described as tending toward infinity.

Other names and search terms

∞, infinity, unbounded symbol, infinite sign.

Clear answers

Questions about Infinity symbol

What does Infinity symbol mean in mathematics?

The infinity symbol describes unbounded growth, extent or continuation; it is not an ordinary real number on which standard arithmetic rules always apply.

How is Infinity symbol written?

A common notation is ∞.

What is an example of Infinity symbol?

The sequence 1, 2, 3, … continues without a largest term and is described as tending toward infinity.