BASIC (Computer program language) Data processing 19 Programming 13 Visual Basic (Computer program language) 9 Computer programs 8 Structured programming 7 IBM Personal Computer 5 Business 4 Computer programming 4 Microcomputers 4 Time-sharing computer systems 4 Chemistry 3 Mathematical models 3 Mathematics 3 VAX-11 (Computer) 3 Computers 2 Computers and civilization 2 Electronic digital computers 2 Mathematical optimization 2 Physics 2 Problem solving 2 Accounting 1 Analysis of variance 1 Apple computer 1 BASIC-PLUS (Computer program language) 1 Biology 1 C (Computer program language) 1 Catalogs 1 Commodity exchanges 1 Computer graphics 1