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Chapter 2: Operating the Graphing Calculator
Second Function Key
Use @ to call up the calculator's extended key functions, math functions and
figures.
All functions associated with @ are color coded yellow, and are printed above
each key.
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Example
Enter "2π" on the screen.
1. Press # C to clear the screen, then enter "2" by
pressing 2.
2. Press @. When the key is
released, the cursor on the screen
changes, indicating that a second
function is now ready to be called
up.
3. Press $. The entry appears on
the screen.
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