Lorch, Edgar R. 1907- Precalculus; fundamentals of mathematical analysis / [by] E. R. Lorch. - [1st ed.] - xi, 380 pages : illustrations ; 25 cm. ISBN: 0393093786 9780393093780 LCCN: 72013411 Subjects--Topical Terms: Mathematical analysis. LC Class. No.: QA300 / .L64 Dewey Class. No.: 515