This volume is the first of four volumes. Volume I describes the history and construction of BASIC; Volume II describes the computerisation of non-parametric statistical tests and some other statistical measures in BASIC and Volume III describes the programming of matrices and polynomials in BASIC and Borland TurboC. Volume IV describes the development of assembly language programs called from BASIC. In this volume, the programming of matrices and polynomials in BASIC and Borland TurboC are described