Publication: Timex Sinclair User Group Newsletter: Ottawa Chapter
Pub Details: Timex Sinclair User Group Newsletter: Ottawa Chapter v4 n1 (Volume 4, Issue 1)
Date: April 1987
Pages: 3-4
John Mathewson has developed cartridge-based interface card and a twister board, either of which are used for connecting an improved keyboard. The twister board can be used with the ZX81/TS 1000.
Bill Harmer has been developing a number of programs, including a TV pattern generator and a formula calculation engine.
David Hinson developed a program for architectural drawing that drives his X-Y plotter.