The VIC 20 PROGRAMMER’S AID CARTRIDGE [VIC 1212] has been designed to help both new and experienced BASIC programmers to write, edit and debug programs quickly and easily. This is achieved by the AID commands which are automatically incorporated into the VIC operating system when the cartridge is inserted. The cartridge also assigns some of the AID commands and some BASIC keywords to the function keys thus giving the programmer his own shorthand notation during program writing. This, together with the facility for the programmer to assign his own functions to these keys, make PROGRAMMER’S AID an invaluable programming accessory.

Nice two page cheat sheet for VIC-20 programmers.

With the purchase of a Commodore VIC Printer, you have added a great deal of versatility and convenience to the use of your Commodore VIC-20 Computer.  While this manual contains all the information you need to check out, connect and operate your printer, you should also refer to other Commodore manuals to get the most out of your computer system.

The VIC 1211A SUPER EXPANDER CARTRIDGE is an interesting and versatile programming aid. It adds new colors, new sets of graphics and an enlarged music-writing potential to the operating system of your VIC 20 computer. It also contains on extra 3K of memory (RAM) to enable you to write and RUN larger programs, programmable function keys to speed program writing and extra commands to plot graphic shapes and paint colors on the screen. The extra commands added by SUPER EXPANDER will extend the programming power of your VIC

You are about to meet a friendly computer! Friendly in price, friendly in size, friendly to use and learn on and experience. Most important - you don't have to be a computer programmer, or even a typist, to use it!