TY  - BOOK
AU  - Moursund,David G
AU  - Shult,Douglas L
TI  - Calculators in the classroom: with applications for elementary and middle school teachers 
SN  - 0471081132
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Programmable calculators
KW  - Mathematics
KW  - Data processing
ER  -