Calculate! (1979)

Contains six paper-and-pencil games with various themes, meant to be played while assisted by eight-digit, "four-banger" calculators (still a relative novelty when the book was published). The games include Run for President, Target Number, Invasion, Away Across, Travels, and High Finance.

Sometimes the calculator serves as a dice-alternative for producing random numbers (selected digits are read from the display), other times it just handles manipulating large numbers

The bulk of the book consists of perforated pages to tear out and use to record gameplay progress.

Part of a series of five paper-and-pencil game books by Sid Sackson, including Beyond Competition, Beyond Solitaire, Games of Art, Beyond Words, and Calculate!.