The Calculator Puzzle Book.

"Over 90 superb puzzles, all with full answers and explanations. Use your mind to grasp the essentials of each problem and your calculator to perform the arithmetic". Pp 125. Toned pages. P/b. Illustrated cover. G+.

Product Info

Publisher: Kingswood: Elliot Right Way Books. 1978.

Type: Used

Binding: Softcover

Seller Info

ChiltonBooks

Address: The Lodge Sudbury, Suffolk

Website: https://www.chiltonbooks.online

Country: United Kingdom