Log Book
Record all log data; recall by call sign or QTH. Printout can be used for QSL card.
Timex/Sinclair 1000
Microkjeldahl Protein Determination
Calculates total nitrogen (dry basis) in MG/100G and percent protein (dry or wet basis) for up to 50 items.
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Moisture-Oven Method
Helps with computation of moisture content of food and agricultural materials. Accepts raw data from which a table of moisture contents is printed.
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Pro Golf
18 holes with all the hazards of real golf. Sand traps, rough and 12 clubs to keep you on the fairway.
Statistics
Keep up-to-date statistics on your favorite team and players. Predict scores of upcoming games with amazing accuracy. Programs for football, hockey, baseball and soccer.
WAS
Record ARRL state data. View, print, revise records. Printout of states worked, confirmed or needed.
ZX81 Football
Try your luck against the computer or another player. All the features of professional football. 42 different plays.
Auto Diagnostic
Select your problem areas and the computer will perform a decision tree analysis to pinpoint trouble spots. 16K.
Cubic/quadratic Solution
Solution to the cubic and quadratic equation for real coefficients.
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Equation Solver
Displays each step in the solution of mathematical equations. Works on any level of mathematical proficiency. Also solves unknowns.