TY  - GEN
AU  - Payne , D.M
TI  - An easy guide to the casio scientific calculator
SN  - 1870941853
U1  - 621 
PY  - 1991///
CY  - London
PB  - D.P Publication LTD
KW  - APPLIED PHYSICS
KW  - SCIENTIFIC CALCULATION
ER  -