![Investigating Mathematics with the TI-81 Image - Click to enlarge](https://s.turbifycdn.com/aah/calculatorsource/investigating-mathematics-with-the-ti-81-14.gif) A comprehensive resource book for the TI-81
graphing calculator with 40 investigations and
multi-day projects for exploring mathematics.
Students work individually and in groups,
graphing, evaluating,using functions and writing
about their discoveries. A special teacher section
has valuable strategies for the effective use of
the TI-81. 8-1/2 x 11, 96 pages, grades 8-12.
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