ELECTRONIC DATA PRROCESSORS FOR COMPUTERBASED MEASUREMENT OF SIGNALS, ELECTRONIC DATA PROCESSORS FOR COMPUTER BASED MEASUREMENT AND DISPLAY OF INPUT SIGNALS, ELECTRONIC DATA PROCESSORS FOR COMPUTER BASED MEASUREMENT OF INPUT SIGNALS AND GENERATION OF OUTPUT SIGNALS IN RESPONSE TO MEASURED INPUT SIGNALS FOR CONTROL THEREOF, AND COMPUTER PROGRAMS

COMPUTER PROGRAMS DESIGNED SPECIFICALLY FOR THE MANIPULATION OF MATHEMATICAL EXPRESSIONS INCLUDING THOSE CONTAINING SYMBOLS

NEWSLETTERS FOR COMPUTER PROGRAMS DESIGNED SPECIFICALLY FOR THE MANIPULATION OF MATHEMATICAL EXPRESSIONS INCLUDING THOSE CONTAINING SYMBOLS

PROVIDING ACCESS TO ON-LINE COMPUTERIZED DATABASE OF INFORMATION IN ALL FIELDS