Hoffer, Alan R. Mathematics in action / Alan R. Hoffer....[et al.] - New York : Mcmillan/McGraw-Hill, c1992. - x, 534 p. : ill., pics. ; 26 cm. Includes index. ISBN: 0021090041 0021090044 Subjects--Topical Terms: Mathematics Dewey Class. No.: 510 / MAT