TY  - BOOK
AU  - Penna,Judith A.
TI  - Graphing calculator manual, Algebra and trigonometry,Graphs and Models and Precalculus Graphs and Models  Marvin L. Bittinger, Judith A. Beecher, David Ellenbogen, Judith A. Penna / 
SN  - 9780321288882
U1  - 512.13 P J G 221 
PY  - 2006///
CY  - Boston ; , New York : 
PB  - Pearson, 
KW  - Algebra
KW  -  Graphic methods
KW  - Graphic calculators
N1  - includes index
ER  -