Trigonometry using calculators /
Elich, Joseph, 1918-
Trigonometry using calculators / Joseph Elich, Carletta J. Elich. - Reading, Mass. : Addison-Wesley Pub. Co., c1980. - xiii, 359 p. : ill. ; 25 cm.
Includes index.
0201031868
79018934
Trigonometry.
Calculators.
QA531 / .E44
516/.24/0285
Trigonometry using calculators / Joseph Elich, Carletta J. Elich. - Reading, Mass. : Addison-Wesley Pub. Co., c1980. - xiii, 359 p. : ill. ; 25 cm.
Includes index.
0201031868
79018934
Trigonometry.
Calculators.
QA531 / .E44
516/.24/0285