Brain ticklers; puzzles and pastimes for programmable calculators
Snover, Stephen L
Brain ticklers; puzzles and pastimes for programmable calculators - New Jersey Prentice-Hall Inc. 1981 - xxviii+161p
518.9 / : 681.3 SNO.81
Brain ticklers; puzzles and pastimes for programmable calculators - New Jersey Prentice-Hall Inc. 1981 - xxviii+161p
518.9 / : 681.3 SNO.81