Games, tricks, and puzzles for a hand calculator
Subtitle: plus: how to use a constant, find percents, work with fractions, use a memory, find roots and powers
By: by Wallace Judd. Graphics by Karen McCracken.
Contributors: McCracken, Karen.
Publisher: Dymax
Published: 1974
Place of publication: [Menlo Park
Language: eng
Number of pages: 91
Subjects: Calculators -- Problems, exercises, etc.
Notes: Works with any calculator.