Computer Engineering Services (The Jarrett Company)
Owner(s):
John F. Jarrett
Show Low, AZ 85901
Products
Name | Description | Computers |
---|---|---|
Compute | A programmable program. Program allows you to assign various mathematical functions to your program variables. Instructions and listing. 16K. | Timex/Sinclair 1000 |
Mutual Fund Advisor | A program based on a proven method for investing in no-load mutual funds. Records can be saved and then loaded. If you are an investor, this program is for you. Instructions and listing. | Timex/Sinclair 1000 |
Rubik's Master | Scrambles and solves the cube step-by-step. Displays each move in 3D graphics and simple notation system. 16K. | Timex/Sinclair 1000 |
Slow/Fast kit for ZX80 with 8K ROM | FAST and SLOW modes on ZX80 with 8K ROM. PCB with complete instructions and parts list. PCB will work with new ROMs if installed properly. | Sinclair ZX80 |
Books
Name | Description | Computers |
---|---|---|
Neat Stuff for Your Sinclair | An edited book of some of the finest and most useful subroutines and programs available for the Sinclair user. It has some of the simplest and most wanted hardware additions that anyone can build and install. | Timex/Sinclair 1000 |
The Expandable ZX80 and ZX81, T/S1000 Too! | The book for the electronics hobbyist to add memory, music, speech and a whole lot more. | Sinclair ZX80, Sinclair ZX81, Timex/Sinclair 1000 |
Periodicals
Documents
Downloads
Articles
Title | Description | Computers |
---|---|---|
New Products and Services (Syntax v4 n5) | New products from Timex, J.V. Kane, Silicon Valley North, ZX-Panding, Computer Engineering Services, M-Ware, W.D. Maples, Kaltek Calculator Technology, J.J. Castillos, Florida Creations, Stuart Software, Laserscan Electronics, International Publishing & Software, 2-Bit Software, LINC. | |
Resources (Sync v2 n5) | Listing of new user groups, books and other resources. | Timex/Sinclair 1000 |
SLOW Motion | Review of Video Upgrade Board Kit from Computer Engineering Services. Board adds SLOW mode to ZX80 or MicroAce with 8K ROM. | MicroAce, Sinclair ZX80 |
Video Upgrade Kits for ZX80 in US Again | Once again ZX80 and MicroAce owners can enjoy the flicker-free qualities of ZX81/TS1000s | MicroAce, Sinclair ZX80 |