00752nam a22002057a 4500 20160705110451.0 160705b vau||||| |||| 00| 0 eng d 0873533429 QA20.C34 C35 1992 Calculators in mathematics education / James T. Fey, Christian R. Hirsch, eds. 1a ed. Reston, virginia : National Council of Teachers of Mathematics, c1992. 248 paginas. : 23 cm. Yearbook / national council of teachers of mathematics 1992 Incluye referencias e índice Lemb Matemáticas Estudio y enseñanza Calculadoras Fey, James T., editor Hirsch, Christian R., editor lcc LIB 117715 117715 0 lcc 0 0 LIC-024 LIC-024 GENERAL 2016-07-05 DON 1a ed. IA IT QA20.C34 C35 1992 C:1 FFM000011672 2016-07-05 00:00:00 C:1 LIB Lectura