saysymbol.
∞

Infinity symbol

The infinity symbol looks like a sideways figure eight. In mathematics it represents an unbounded quantity, rather than a finite number.

Unicode
U+221E
HTML
∞

Text example: x tends to infinityx → ∞

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∞ is one text character. The positive and negative forms below combine it with a separate plus or minus sign.

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Character details

U+221E · INFINITY

Unicode character chart ↗

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