2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/32179A prototype for an extensible interactive graphical term manipulation system is presented that combines pattern matching and nondeterministic evaluation to provide a convenient framework for doing tedious algebraic manipulations that so far had to be done manually in a semi-automatic fashion.15 pagesSymbolic ComputationG.4; I.1.3text