Book Nook – Devlin, Joseph

Commodore Interface May 1981, p. 25

Review of Commodore Software Encyclopedia, First Edition (Commodore, 1981).

Butterfield on Commodore: What Hardware Do I Have? What Software Do I Have? – Butterfield, Jim

Commodore Interface July 1981, p. 8

Jim Butterfield lends his expertise with some hints on identifying different ve ... and BASIC ROM revisions.

Dow Jones Portfolio Management System – Commodore Interface Staff

Commodore Interface July 1981, p. 11

A new software package that provides the private or professional investor with ... t System from Commodore.

PET Controls the Purse Strings – Commodore Interface Staff

Commodore Interface July 1981, p. 15

Two PETs keep track of the piecework for one of the leading handbag manufacture ... r and control inventory.

Education: Q & A SuperPET – Commodore Interface Staff

Commodore Interface July 1981, p. 18

In the May edition of COMMODORE INTERFACE, a new product called the Micro-Mainf ... stion-and-answer format.

Summer Camp – Commodore Interface Staff

Commodore Interface July 1981, p. 25

Profile of Computer Camp East in East Haddam, Connecticut.

The VIC Mystique – Tomczyk, Michael S.

Commodore Interface July 1981, p. 28

Where to find information on the VIC-20, with a list of contemporaneous magazines.

Games and Recreation: 6 Games on Tape for the Commodore VIC-20 – Later, Duane

Commodore Interface July 1981, p. 29

Review of Car Chase, Blue Meanies from Outer Space, Space Math, Slither/Super ... lackjack from Commodore.

Interview—Jack Nilles – Steffens, Roger

Commodore Interface July 1981, p. 31

Imagine substituting telecommunications and computers for the commute to work, ... of Southern California.

Programmer's Tips: How to Learn Debugging – Deal, Elizabeth

Commodore Interface July 1981, p. 39

Useful tips for debugging programs could make you an "expert" in one easy lesso ... he changes in behaviour.

Programmer's Tips: Two Tape and Disk File Hints – Deal, Elizabeth

Commodore Interface July 1981, p. 41

A short BASIC program to check the status of the datasette's buttons, and closing disk and tape files.

Programmer's Tips: The Relative Record File System – Hildon, Karl

Commodore Interface July 1981, p. 43

Reprinted from the "TRANSACTOR" by Karl Hildon. Working with RELative files in ... 2, No. 12, 1981, p. 14).