- D05 Introduction
- d05aa – Linear non-singular Fredholm integral equation, second kind, split kernel
- d05ab – Linear non-singular Fredholm integral equation, second kind, smooth kernel
- d05ba – Nonlinear Volterra convolution equation, second kind
- d05bd – Nonlinear convolution Volterra–Abel equation, second kind, weakly singular
- d05be – Nonlinear convolution Volterra–Abel equation, first kind, weakly singular
- d05bw – Generate weights for use in solving Volterra equations
- d05by – Generate weights for use in solving weakly singular Abel-type equations