erf(x)
$\erf x$ x
$\operatorname{erf} x$

https://ko.wikipedia.org/wiki/오차_함수

https://en.wikipedia.org/wiki/Error_function

[[가우스_함수,Gaussian_function]]의 적분

[[정규분포,normal_distribution]]


https://mathworld.wolfram.com/Erf.html

[[오차,error]]