Integral

Part of Math Symbols

Integral has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
∫
Unicode
U+222B

About this symbol

Gottfried Leibniz introduced the integral sign in 1675. It is a stretched long s, from the Latin summa, meaning sum, because an integral adds up infinitely many small parts.

Unicode facts

Official name
INTEGRAL
Type
Maths symbol
Unicode block
Mathematical Operators
Unicode group
Integrals
Added in
Unicode 1.1 (1993)
Related
ʃ Latin Small Letter Esh U+0283

Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.

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