Tesseract Software Development

Fremont, CA 94537-7793
Owner(s): Robert Fingerle


Charts climb rate vs airspeed to make performance comparisons of aircraft under varying conditions of weight, power, and altitude. Booklet with listing, explanation of all equations, and a tabulation of specifications for 250 production and home-built aircraft.
TS 1000
Three-dimensional CAD program.
Word processor. Capabilities include insert/delete, text compression/realignment and buffer memory for saving portions of text to use elsewhere. Also includes tabulation, logically formatted display, text save, and printer control. Also available on ROM from ROMPAK. 16K.
TS 1000
Word processor for the 2068. A Plus version supported full-size printers and a Plus 64 version added 64 column support. Sold by E. Arthur Brown as Textwriter 2068.
TS 2068
Race around a 100 mile course. Decide when and how high to climb in various thermals for the highest course speed. 1K program uses text; 16K uses simulated instrument panel graphics. Includes a discussion of glider flight for the uninitiated.
TS 1000
Hides words in a random character matrix. Search for them on screen or on printout. Put in your own words or use those stored with the program.
TS 1000


  • 2068 Word-Processor Software Evaluation, Part II
    Short reviews of Tasword Two, the Textwriter series, VIEWord and Letteriter/Bufferiter.
  • Across the Pond
    QL issues and support. War in the East game, written by Mark Stueber, ported to QL. Robert Fingerle, of Tesseract Software Development, produces Concept 3-D, a CAD program for the QL. Fingerle was also responsible for Textwriter 1000 and Textwriter 2000. The latter supported full size printers and the 2068’s 64 column mode.
  • Converting Textwriter Files to Tasword II Files
  • New Product News
    Announcements of ROMSWITCH, DLS Buyer’s Guide, A&J Micro Drive, Textwriter software and Fastfile.
  • New Products and Services (Syntax v5 n9)
    Educational software from Peech II Productions; Invo-Star from Magic World Software; LOAN$ from Hybridion; ROMSwitch from Russell Electronics; T/S Grader; ZX Programmer’s Companion (book); Timex/Sinclair 2068 Intermediate/Advanced Guide (book); programs from I. Auersbacher; Pion Software; Textwriter.
  • Support
    A & J Microdrive offers microdrives; Heath Computer Services has business programs; ROMPAK has Pro/File, Textwriter and others on ROM.
  • T/S News
    Public domain software from Mountaineer Software, including TextWriter 2000 from Robert Fingerle, ScreenCalc from Banta Software, Unifile (database) and mailing list manager (Mail). Understanding desktop publishing.
  • Textwriter 1000 Enhancements
    One of the best word processors around for the ZX/TS computers is TEXTWRITER 1000 by Robert Fingerle. However, there are a few enhancements that I found which make it even easier to use.
  • Textwriter 2000 Plus: A Brief Review
  • The Textwriter Series
    Of all the word processing software S.U.M. has reviewed, the Textwriter series by Robert Fingerle offers the most versatility for all Timex computer users.
  • Word Processing on ZX/TS Computers
    Comparison of wordprocessing and text editing programs for the Timex/Sinclair 1000.


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