Elich, Joseph, 1918- Trigonometry using calculators / [electronic resource] / Joseph Elich, Carletta J. Elich.. — Reading, Mass. : : Addison-Wesley Pub. Co.,, c1980.. — xiii, 359 p. : : ill. ; 25 cm.

Includes index.



0201031868 9780201031867

79018934


Trigonometry.
Calculators.
Trigonométrie.
Taschenrechner.
Trigonometrie.

QA531 / .E44

516/.24/0285