Grade
7-9
Forrest M. Mims
Number Machines: An Introduction to the Abacus, Slide Rule and Pocket Calculator
Hardcover
(David McKay Co April 1, 1977)
Describes the development of the abacus, slide rule, and calculator and demonstrates their uses.
- ISBN
- 0679204016 / 9780679204015
- Pages
- 54
- Weight
- 6.4 oz.
- Dimensions
- 8.3 x 5.6 in.
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