ByWater BASIC is a GPLBASICinterpreter by Ted A. Campbell for MS-DOS and POSIX. It supports a large set of the ANSIStandard for Minimul BASIC and a large subset of the ANSI Standard for Full BASIC in C.
... Generalizations
The formula and its proof remain correct if the coefficients a, b and c are complex numbers, or more generally members of any field who ...