Introduction - If you have any usage issues, please Google them yourself
This version of the single complex variable program adds three functions: complex tangent function atan (x+ yi), the real function of Γ, the real anti-oval sine function (ie, the form of Jacob' s first score number [incomplete] elliptic integrals ) Arcsn (e x), 0 < = e < = 1,-1 < = x < = 1.