Walker, Arthur L. 1899-

How to use adding and calculating machines / Arthur L. Walker, J. Kenneth Roach, J. Marshall Hanna. - 4th ed. - New York : Gregg Division, McGraw-Hill, c1979. - 218 p. : ill. ; 28 cm.

0070678251

77025896


Calculators--Problems, exercises, etc.

HF5548 / .W3 1979

651.8/2

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