TY  - BOOK
AU  - Chinn, William G
AU  - Dean, Richard A
TI  - Arithmetic and calculators: how to deal with arithmetic in the calculator age
U1  - 511 
PY  - 1978///
CY  - San Francisco
PB  - W H Freeman
KW  - Arithmetic
KW  - Set theory
KW  - theory of numbers
KW  - Number theory
KW  - Group theory
KW  - Algebra
KW  - Mathematics
KW  - arithmetic and calculators
KW  - calculators and arithmetic
ER  -