TY - BOOK AU - Clements, Douglas H. CN - QA20.C65 C58 1989 CN - QA20.C65 CY - Englewood Cliffs, N.J. : DA - 1989. ID - 125668 KW - Mathematics KW - Mathematics N1 - Includes index. PB - Prentice Hall, PP - Englewood Cliffs, N.J. : PY - 1989. SN - 0131670085 : T1 - Computers in elementary mathematics education / TI - Computers in elementary mathematics education / ER -