“…One often hears of the introduction or use of computers in courses through the useof prewritten courseware packages (e.g., Castellan, 1983;Collyer, 1984), statistical analysis packages (e.g., MiniTab, SAS, SPSS x , and BMDP), or programming exercises (e.g., Collyer, 1984;Taylor, 1980). There is, however, another alternative: application programs that convert the computer into a usefultool.…”