Eleven statistical programs for the Timex/Sinclair 1000, 1500 and ZX81 microcomputers are listed and described in a 167-page book. The programs can run relatively large data sets using less than 16K of memory. Accurate calculations are performed with difference formulas and provisional mean formulas.
ANOVA programs for Timex/Sinclair 1000, 1500, and ZX81 microcomputers Read More »
Clive Sinclair has been doing a first-rate job of getting his ZX-81 computers into the hands of people interested in learning about small computers. He’s been selling mostly via mail order so far. Starting in July, Timex will take over, selling the small computer through their chain of dealers.
Publisher’s Remarks: Stay-at-Home Micros Read More »
Product announcements from G. Russell Electronics, Byte-Back, Variety Sales, Chia-Chi Chao, Larken Electronics, Sams, Fred Nachbaur, Lemke Software Development and E. Arthur Brown.
If the terms “Dow Jones Industrial Average”, “Price Earnings Ratio”, “shares”, “Current Dollar Profit”, and “Portfolio” mean anything special to you, buying this program might just be the kind of “investment” you’d like to look into.
TS1000 Review: Stock Plot Read More »
This program was written on a 2K TS1000 and will handle a full screen of text. It gives you a full screen editor that will handle about 20 words per minute. You can print the screen to the printer by Lprinting, and Stop will bring you to a halt at line 410.
1000 2K Text Writer Read More »
Did you hook up one of those TI keyboards to your ZX81/TS1000? Don’t you wish it had all the Sinclair legends on the keys? Well, if you can find an old membrane keyboard (remember those?) you can cut it up and paste the legends onto the keys with silicone glue.
Custom Keyboard Tip Read More »
VU-CALC for the ZX81/TS1000-1500 is a good program, but it has some limitations. Fortunately, modifications can easily be made which overcome these three limitations.
Upgrading VU-Calc 1000 Read More »
This listing is a great way to get a handle on how sorting routines actually sort. Since the program has been designed to be friendly, it guarantees that the code is difficult to follow.
TS1000 Visible Sort Read More »
Describes software programs in BASIC which teach music, using the Apple, Timex Sinclair 1000, TRS-80, and Commodore computers. Music educators should incorporate computer instruction into the curriculum to teach theory, history, and even practical techniques of music. Computers will never supersede the teacher, who must guide and motivate. (CS)
Roll Over, Schoenberg: A Computer-Generated Tone Row. Read More »
Q/A on loan policies for circulating microcomputers. Downers Grove Public Library (IL) circulates Timex Sinclair 1000 computers for one week, with an overdue fine of $1 a day.
