Roger E. Clark profile picture

Roger E. Clark

Is this your author profile? Create an account to claim and customize it!

Stand Alone

Executive SuperCALC- (Addison-Wesley Series in Speech Communication)
Executive VisiCalc for the Apple computer (Micro computer books)
Executive VisiCalc for the IBM personal computer (Addison-Wesley microcomputer books executive series)
Executive VisiCalc for the Apple computer
The Compleat Apple Spreadsheeter
The Compleat IBM Spreadsheeter