Roald Schrack

Articles (19)

TitleAuthor(s)PublicationDate
2068 Printing CalculatorCATS NewsletterMarch 1985
Annual Income Tax ProgramCATS NewsletterMarch 1987
Bold Face TypeCATS NewsletterMay 1985
Celestial Mechanics on the 2068CATS NewsletterJul 1986
Dear QTS
Letters from R. L. Pace, Roald Schrack, Robert Hartung, Armand Drucker, E. F. Davis.		Bill Johnson
R. L. Pace
Armand Drucker
Robert Hartung
Roald Schrack		QuarTerSWinter 1986
Double PrecisionCATS NewsletterApril 1985
Easter DatesCATS NewsletterAugust 1985
Even More Games With Random NumbersCATS NewsletterMay 1985
Halley’s Comet Redux
Short program that plots the orbit of Halley’s Comet, starting in 1986. Typed in by Tim Swenson.		CATS NewsletterJune 1986
Hi-Res Mandelbrot PlottingCATS NewsletterNovember 1985
Moire PatternsCATS NewsletterFebruary 1986
NodesCATS NewsletterNovember 1985
Snowflakes
Here is a code for the 2068 that will produce snowflake-like patterns. Each run will produce a different pattern. The...		Roald SchrackCATS NewsletterAugust 1985
Tax Code for 1985CATS NewsletterMarch 1986
The Mandelbrot Set
The August issue of the Scientific American has on its cover a computer-generated display. I tried the scheme on my...		CATS NewsletterOctober 1985
The VAL$ Function
If you are like me, you have never used the VAL$ function. There is no good explanation in any of...		Roald SchrackCATS NewsletterNovember 1985
Three Dimensions!CATS NewsletterJanuary - February 1985
Timex-PC CommunicationsCATS NewsletterSep 1986
What Precision?CATS NewsletterMarch 1985

Downloadable Files (1)

TitleTypeCompanyDownload
Halley’s CometProgramDownload

User Groups (1)

Videos (1)

TitleDateWatch
Halley’s Comet orbit plotted by a Timex/Sinclair 2068
This program plots the orbit of Halley's Comet, starting in 1986.
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