Bill & Ted's Excellent Adventure IBM PC/Compatibles Screenshot

Game: Bill & Ted's Excellent Adventure
System: IBM PC/Compatibles
Display Type: CGA
Bill & Ted's Excellent Adventure IBM PC/Compatibles Screenshot: Why is a calculator here?
Why is a calculator here?
There are 3 screenshot groups on file for Bill & Ted's Excellent Adventure:
IBM PC/Compatibles (MCGA/VGA)
IBM PC/Compatibles (EGA/Tandy)
IBM PC/Compatibles (CGA)