This paper gives a technical description of various computer graphics programs developed on the Sigma 7 computer. Terminals used are the Adage 100 and the Tektronix 4002-4010. Commands are Metasymbol procedures which access Metasymbol library subroutines; programs can also be coupled with FORTRAN programs. Available, inexpensive graphic terminals…

Computer languages are analyzed and compared from the standpoint of the science teacher using computers in the classroom. Computers have three basic uses in teaching, to compute, to instruct, and to motivate; effective computer languages should be responsive to these three modes. Widely-used languages, including FORTRAN, ALGOL, PL/1, and APL, are…

The effectiveness of different types of computer terminals in programing learning is discussed with special reference to the experience of the Physics Computer Development Project. Experience with ten types of terminals including hardcopy terminals of several speeds, alphanumeric and graphic terminals is reviewed. Special consideration is given to…