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25. VE1BRA says that since he put his ZX81 in a Hammond cabinet, there was no more use for the old chassis. He peeled off the keyboard and cut out the logos and glued them over the keycaps. The functions had to be cut out separately and glued on the front side of the Keycaps;…article, orig pub: 01.15.26, updated: 01.15.26

First, here is a long overdue review of Fred Nachbaur’s SyncWare News. (See his previous contributions to QZX.) Since he isn’t a ham, we gave him a call of **** and he was grateful. Anyhow, in April ’83 he began Syncware News, and sent out a lot of complimentary copies. His publication is slanted toward…article, orig pub: 01.15.26, updated: 01.15.26

First, I want to apologize for the late issue. I do have several legitimate ‘excuses’, but the predominant one being an urgent desire to ‘take a short breather’ after getting an already late issue out. In an attempt to get caught up, Alex and I are already putting the November issue together and hope to…article, orig pub: 01.15.26, updated: 01.15.26

50 ready-to-run educational programs demonstrate scores of different techniques for solving problems in mathematics, science, and business. 10 chapters deal with solving problems by formulas and repetitive trials, convergence, recursion, compounding, probability, geometry, science, simulations, and drill and practice. Some problems demonstrate the capabilities of the computer; others identify its shortcomings.book, orig pub: 04.05.20, updated: 11.06.25

Subtitle: For the T/S 1000, 1500, and 2068 Computers. Here are 32 entertaining new games programs written in Timex/Sinclair BASIC. These fun and exciting games are written for all the Timex/Sinclair home computers, including the classic 1000, the new 1500 Personal Computer, and the 2068 Color Computer. All the programs have been fully tested and…book, orig pub: 04.05.20, updated: 11.06.25

Table of Contents GAMES FOR YOUR TIMEX-SINCLAIR 2000 was first published in Great Britain by Virgin Books Ltd. under the title GAMES FOR YOUR ZX SPECTRUM as part of the Virgin Computer Games Series. The author, Peter Shaw, was a 16-year-old schoolboy who has contributed to Interface magazine and to ZX Computing.book, orig pub: 04.05.20, updated: 11.05.25

Introduction to Basic programming for those with no previous computer experience. Easy to digest format leads the user through hands-on examples of programs in the early chapters and helps develop skills gradually for more complex programs.book, orig pub: 04.05.20, updated: 11.05.25

Short program that give a moving graphics representation of the holiday spirit.computer_media, orig pub: 12.21.25, updated: 01.14.26

Entry for the Vintage Computing Christmas Challenge 2025.computer_media, orig pub: 12.21.25, updated: 01.14.26

Watch your computer trim a tree on the screen and surround its base with beautifully wrapped presents, while the tree lights flicker.computer_media, orig pub: 11.01.25, updated: 11.01.25

This 2026 calendar features converted images of classic Timex and Sinclair hardware, with each image carefully optimized for the ZX Spectrum SCREEN$ format and monochrome printing on the Sinclair ZX Printer 2040. The images were converted using a modified version of Anders Tornblad’s ZX Spectrumizer. The original converter rendered dark colors using PAPER rather than…document, orig pub: 01.15.26, updated: 01.15.26

Cleaned up and reformatted by Tim Swenson in 2026.document, orig pub: 01.14.26, updated: 01.14.26

Notebook consisting of notes about development of Timex Disk Operating System (TDOS) and CP/M for the Timex/Sinclair 2068. A re-typed copy of the notebook is also available on archive.org.document, orig pub: 12.26.23, updated: 11.30.25

The enclosed tape will include almost all the improvements from the manual except where they are no longer appropriate (the machine code sort makes the block sort outdated), or improved by my own routines in Extensions, or one case where you may not want it included. For those who want it, instructions are included here…document, orig pub: 10.26.25, updated: 11.07.25

KAPKIT is a utility program for the ZX81, TS1000 and TS1500.document, orig pub: 06.04.24, updated: 11.07.25

Vendorsevent, orig pub: 11.27.25, updated: 11.27.25

Fourth annual event. Held at the Hara Arena in Dayton, Ohio on August 28th and 29th. Tim Swenson hosted the first of several after-fest BBQs at his house in Dayton this year. Several of the attendees appear in the photos below.event, orig pub: 03.30.23, updated: 02.24.24

Organized by Tim Swenson, the West Coast Sinclair Show was held in Union City, CA, on 5 June 1999, one week after the East Coast Sinclair Show. Vendors The key visitor to the show was the renowned author Stan Kelly-Bootle, writer of many computer books, including the “Devil’s DP Dictionary”, and the holder of the…event, orig pub: 07.04.21, updated: 07.10.23

Two day fair in Canada.event, orig pub: 07.04.21, updated: 07.10.23

User Groups Vendorsevent, orig pub: 02.14.23, updated: 07.10.23

National Sinclair Timex Newsletter.periodical, orig pub: 12.11.19, updated: 01.14.26

David Hill published this newsletter for Aerco FD-68 Disk Users.periodical, orig pub: 03.08.20, updated: 01.14.26

Published by Ron Havlen, this newsletter for Zebra FDD users picked up from TOPS Newsletter.periodical, orig pub: 03.08.20, updated: 01.14.26

Short newsletter was published inside Update Magazine that reviewed and demonstrated desktop publishing techniques accomplished with the Timex/Sinclair 2068.periodical, orig pub: 08.03.20, updated: 01.14.26

A one-off, one-page newsletter published by Mike Felerski.periodical, orig pub: 08.03.20, updated: 01.14.26

Adds interactive assembler to the disassembler and debugger in Hot Z. Line-by-line assembler checks syntax as you enter Z80 mnemonics and assembles directly to memory. Multiple commands to support program development. 16-64K.product, orig pub: 11.30.19, updated: 01.14.26

STD Bus interface with a Z-80 PIO to control mode switching of two operating systems on Port B. Port A is available from the front panel and has four handshake lines on a ribbon connector. The computer will operate alone, with 2K RAM and 9v with a Sinclair type keyboard. or on the STD bus.…product, orig pub: 01.03.26, updated: 01.03.26

Compute payment, capital, years, or interest for equal payment loans. 16K.product, orig pub: 01.03.26, updated: 01.03.26

For decreasing payment loans and CD’s. Dates, computed or optional principal. True amortization. 16K.product, orig pub: 01.03.26, updated: 01.03.26

For most equal payment loans and CD’s. Dates, computed or optional payment. True amortization. 16K.product, orig pub: 01.03.26, updated: 01.03.26

Contact: Robert Pearsallusergroup, orig pub: 01.05.26, updated: 01.05.26

This informal group has twice a month meetings online (via Zoom). Like in-person user group meetings, we have guests, talk about our projects and a wide array of computing topics. This group has its origins in the Yahoo TS 2068 Group, which migrated to groups.io when Yahoo Groups shut down. Join Our Email List Sign…usergroup, orig pub: 04.21.23, updated: 12.07.25

We discussed VCF event planning, ham radio technology, Spectrum Next FPGA replicas, Jupiter Ace computers, retro computing alternatives, and Eastern Bloc computer history.video, orig pub: 01.13.26, updated: 01.13.26

In this meeting, we reviewed the history of the Timex Computer Corporation and development of the Timex/Sinclair 1000, Timex/Sinclair 1500 and Timex/Sinclair 2068 computers. David presented material from documents preserved by Lon Hildreth and others.video, orig pub: 12.21.25, updated: 01.13.26

We had a little demonstration of a Christmas program and a snowflake design, as well as updates from Ingo and others on projects.video, orig pub: 01.05.26, updated: 01.13.26

We discussed shared community history and technical knowledge. We talked about the evolution of user groups from 1980s, who often had printed newsletters (CATS, Update, Chicago-area publications), through Yahoo groups to current online forums.video, orig pub: 11.17.25, updated: 12.06.25

We showed off a seasonally appropriate turkey program and shared updates on projects.video, orig pub: 11.17.25, updated: 11.18.25