A MATLAB-like matrix-oriented programming language/toolbox. RLaB focusses on creating a good experimental envIRonment (or laboratory) in which to do matrix mathematics. Currently RLaB has numeric scalars and matrices (real and complex), and string scalars, and matrices. RLaB also contains a list variable type, which is a heterogeneous associative array. Version 0.95 includes an interpreter, libraries and documentation. E-mail: Ian Searle . . RequIRes GNUPLOT, lib[IF]77.a (from f2c). Ported to many platforms including Unix, OS/2, Amiga. (1993-10-27).