$ErfC
Error function complement
Note: Most Sirius $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $ErfC function.
The $ErfC function returns 1 - the $Erf value, that is:
1 − 2/√π 0∫x e-z2 dz
Syntax
%num = $ErfC(x)