TY  - BOOK
AU  - Penna, Judith A.
TI  - Graphing calculator manual
SN  - 0201703963
AV  - QA20 C34 P466 2001
PY  - 2001///
CY  - Boston
PB  - Pearson/Addison - Wesley
KW  - Graphic calculators - Hand books, manual, etc
ER  -