$The great international math on keys book developed by the staff of the Texas Instruments Learning Center.$
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The great international math on keys book developed by the staff of the Texas Instruments Learning Center.

Bibliographic Details
Main Author:	Texas Instruments Incorporated Learning Center
Other Authors:	Oliva, Ralph A.
Format:	Book
Language:	English
Published:	Dallas, Texas Texas Instrument Learning Center c1976.
Subjects:	Calculators > problems, exercises, etc.