Operating the Calculator 156
Note: To type a number, press j to turn alpha-lock off. Press j or 2™ to
resume typing letters.
Alpha-lock is not turned on in dialog boxes that require numeric-only entries. The dialog
boxes that accept only numeric entries are: Resize Matrix, Zoom Factors, and Table
Setup.
For Special Characters
For Special CharactersFor Special Characters
For Special Characters
Use the 2¿ menu to select from a variety of special characters. For more
information, refer to “Entering Special Characters” in the Text E dito r module.
Entering NumbersEntering NumbersEntering NumbersEntering Numbers
The keypad lets you enter positive and negative numbers for your calculations. You can
also enter numbers in scientific notation.
Entering a Negative Number
Entering a Negative NumberEntering a Negative Number
Entering a Negative Number
1. Press the negation key ·. (Do not use the subtraction key|.)
2. Type the number.
To see how your graphing calculator evaluates a negation in relation to other functions,
refer to the Equation Operating System (EOS™) hierarchy in the Technical Reference