d02gac

Ordinary differential equations solver, for simple nonlinear twopoint boundary value problems, using a finite difference technique with deferred correction 
d02gbc

Ordinary differential equations solver, for general linear twopoint boundary value problems, using a finite difference technique with deferred correction 
d02rac

Ordinary differential equations solver, for general nonlinear twopoint boundary value problems, using a finite difference technique with deferred correction 
d03ncc

Finite difference solution of the Black–Scholes equations

g07cac

Computes ttest statistic for a difference in means between two Normal populations, confidence interval
