Calculus

I haven't done Calculus is 2 years.

Someone give me a Calculus problem to test me.

>>18

You can do it if you know the definition of the erf function, shown here: http://mathworld.wolfram.com/Erf.html


Apply the fundamental theorem of calculus to get the derivative of erf, use the defintion of erfi:

erfi = -i*erf(i*z)

This should give you a means to integrate it.