TY  - BOOK
AU  - Fey,James T.
AU  - Hirsch,Christian R.
TI  - Calculators in mathematics education / 
T2  - Yearbook / national council of teachers of mathematics 1992
SN  - 0873533429
AV  - QA20.C34 C35 1992
PY  - 1992///
CY  - Reston, virginia
PB  - National Council of Teachers of Mathematics
KW  - Lemb
KW  - Matemáticas
KW  - Estudio y enseñanza Calculadoras
N1  - Incluye referencias e índice
ER  -