EUROCAL '85 Abstracts
S. Kamal Abdali · ACM SIGSAM Bulletin · 1986
Programming environments have dramatically improved since the time that the major symbolic computation systems such as MACSYMA and REDUCE were developed. The new environments allow direct user interaction with the machine via the mouse, menus, and icons, making obsolete the requirement that the user type instructions to an operating system or language processor to effect desired computations.