Integral symbol
| ∫ | |
|---|---|
| Integral symbol | |
| In Unicode | U+222B ∫ INTEGRAL (∫, ∫) | 
| Graphical variants | |
| Different from | |
| Different from | U+017F ſ LATIN SMALL LETTER LONG S U+0283 ʃ LATIN SMALL LETTER ESH | 
The integral symbol (see below) is used to denote integrals and antiderivatives in mathematics, especially in calculus.