Hake, Stephen Math 87 : an incremental development / Stephen Hake, John Saxon. - 2nd ed. - Norman, Ok. : Saxon Pub, c1999. - xii, 802 pages : illustrations ; 27 cm Glossary : p. 779 - 790. Includes index. ISBN: 1565771885 Subjects--Topical Terms: Mathematics. LC Class. No.: QA107 / H353H12 1999