Integral symbol

∫
Integral symbol
In Unicode	U+222B ∫ INTEGRAL (∫, ∫)
Graphical variants
${\displaystyle \displaystyle \int }$
Different from
Different from	U+017F ſ LATIN SMALL LETTER LONG S U+0283 ʃ LATIN SMALL LETTER ESH

The integral symbol:

∫ (Unicode), ${\displaystyle \displaystyle \int }$ (LaTeX)

is used to denote integrals and antiderivatives in mathematics, especially in calculus.