Copying More or Less than the Standard 22 Lines
Define the number of lines printed via the COPY command to reduce paper waste.
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Timex/Sinclair 1000
Disassembly book is complex, invaluable
Review of The Complete Timex TS1000/Sinclair ZX81 ROM Disassembly by Ian Logan and Frank O’Hara.
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Kwikplot: A program for investigating correlations
Plots the correlation coefficient between two variables.
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Letters
Letters about largest integer that can be stored; compatibility of TS1500 cartridges with 1000; saving memory; difficulty saving; differences between ZX81 and TS1000; tape recorders; inverse characters.
Mixed-Use 4-Pack is a Mixed Blessing
Review of Powerpack 1 from Timex.
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