| [MicroAce Owners...] | Sinclair’s owner’s manual is available by mail from Sinclair Research. | MicroAce |
| [These readers would like to contact others...] | Readers in Illinois and Ontario. | |
| 8K ROM Printer Commands | LLIST — Lists to printer instead of screen, LPRINT — Directs output to printer instead of screen, COPY — Outputs screen display to printer. | Sinclair ZX80 |
| Bar Graphics | This program, written for a 2K MicroAce, draws bar charts on a white background with dark defined lines and a graphpaper-like effect behind the bars. It will choose 10 (0 to 10) random numbers to graph, or you can select them. | MicroAce, Sinclair ZX80, Type-in program |
| Beginner's Column - Error Codes and Debugging Programs | One of the ZX80/MicroAce’s nicest features keeps you from entering lines with syntactic errors into a program. | Sinclair ZX80 |
| Chest of Classics by Lamo-Lem | Review of the programs from Lamo-Lem. | Sinclair ZX80 |
| Computer Number Systems III | Article looks at octal numbers. | Sinclair ZX80, Type-in program |
| Dear Editor | Letters about interference; saving bytes; additional RAM; static electricity; MicroAce issues. | MicroAce |
| Hardware Notes | Advice on DIP headers; edge connectors; video monitors; reset switch; cassette monitoring. | Sinclair ZX80 |
| Hog Heaven - ROM Entry Points | Complete list of global subroutine calls for the 4K ROM’s eigh software modules. | Sinclair ZX80 |
| New Product Updates | Updates on the 8K ROM; printer. | Sinclair ZX80 |
| Sinclair 8K ROM Software | Sinclair now offers cassette programs for the ZX80 and ZX81 with 8K ROM. | Sinclair ZX80, Sinclair ZX81 |
| Sinclair Announces ZX81 Computer | Sinclair Research unveiled a new computer at a press conference in England in mid-March. The ZX81 comes with the same 8K ROM that will be available for ZX80s and 1K RAM and sells for 30% less than the original ZX80. Sinclair does not plan any export sales so far, and has not submitted the ZX81 | Sinclair ZX81, Timex/Sinclair 1000 |
| SoftSync Software | Softsync offers ZX80 Invasion. | Sinclair ZX80 |
| Using the 8K ROM, 16K RAM on MicroAces | According to Andy Fisher of MicroAce, Sinclair’s 8K ROM and 16K RAM pack are completely compatible with MicroAce machines with minor modifications. | MicroAce |
