TY  - BOOK
AU  - Penna,Judith A
AU  - xx, 686 p.
AU  - Title
TI  - Graphing calculator manual: Precalculus graphs & models, a unit circle approach
SN  - 0201709422
PY  - 2001///
CY  - Boston
PB  - Addison Wesley
KW  - calculator
KW  - DEP/QEP.DTK/QTK,GEN
N1  - Include indexes
ER  -