A Small Engineering Workbench On A Personal Computer

An engineering workbench is a software system to make an engineer free from routine pro-gramming work by supporting matrix and complex calculations, graphic display of various data and so on. The characterristics of the system are summarized as, (1) it is implemented on a personal computer by using C language, (2) the system can easily be extended by a user, (3) it has a strong interpreter which can handle separate source files, (4) it has a pre-processor which produces C source files from the source program for the interpreter, (5) it is possible to make a history file which records the user's actions.