TY - BOOK ED - World Book, Inc. TI - The World book of math power volume 2: using math SN - 0716613921 AV - QA39.2 .W67 1983 U1 - 510 21 PY - 1983/// CY - Chicago PB - World Book KW - Mathematics N1 - Includes bibliographical references (v. 2, p. 807-809) and indexes; v. 1. Learning math -- v. 2. Using math ER -