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Example 2: To simplify 2 (5 + 4)
Cla
Pad Operation
U ing the keypad key
U ing the oft keyboard
Tap the keys of the math (mth) keyboard or the 2D keyboard to input the calculation
expression.
(or
Tip
• As shown in Example 1 and Example 2, you can input simple arithmetic calculations using either
the keypad keys or the soft keyboard. Input using the soft keyboard is required to input higher
level calculation expressions, functions, variables, etc.
Editing Input
The following are the different techniques you can use to edit your input.
To change omething right after you input it
When the cursor is located at the end of your input, press
operator you want to edit.
Example: To change the expression 369
(1)
(2)
(3)
Tip
• Or, drag your stylus across 3 to select it and input 2.
1-6-4
Input
(23
5)
)
3 to 369
20060301
to delete the character or
2
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