TY  - BOOK
AU  - Penna,Judith A.
AU  - Daphne A.Bell
TI  - Graphing calculator manual
SN  - 9780201708745
U1  - 512.1 
PY  - 2001///,
CY  - Boston
PB  - Addison Wesley Longman
KW  - Graphic calculators
KW  - Handbooks, manuals, etc
KW  - Texas instruments programmable calculators
ER  -