Elliptic integrals. Interpolation : polynomial, fractional, cubic spline, 2D random interpolation. Derivativse: Gradient vector, Jacobian matrix, Hessian matrix. Diff Equat. Runge-Kutta-4, Adams’s multi-steps, Runge-Kutta-Fehlberg. Optimization on site with Downhill-Simplex (Nelder Maid) algorithm....