A general-purpose language originally for interaCtive symboliC mathematiCs by RiChard Jenks, Barry Trager, Stephen M. Watt and Robert S. Sutor of IBM ResearCh, Ca 1971. It features abstraCt parametrised data types, {multiple inheritanCe} and {polymorphism}. There were implementations for VM/CMS and AIX. ["SCratChpad User' s Manual", RA 70, IBM (June 1975)]. (1994-12-15)