Simmons, George Finlay, 1925- Precalculus mathematics in a nutshell : : geometry, algebra, trigonometry / [electronic resource] / George F. Simmons.. — Providence, R.I. : : Janson Publications,, c1987.. — vii, 119 p. : : ill. ; 24 cm. ISBN: 0939765136 (pbk.) 9780939765133 (pbk.) LCCN: 87035300 Subjects--Topical Terms: Mathematics.Precalculus. LC Class. No.: QA39.2 / .S52 1987 Dewey Class. No.: 512/.1