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Example 5: To input
2 + √2
1 + √2
2 2 1 2
Tip: While the input cursor is located within the input area of a template
(mixed fractions), pressing jumps to the position immediately
following (to the right) of the template, while pressing jumps to
the position immediate before (to the left of) it.
Undo Operations
To undo the last key operation, press
(UNDO).
To redo a key operation you have just undone, press (UNDO)
again.
Incorporating a Value into a Function
When using natural textbook format, you can incorporate part of an input
expression (a value, an expression within parentheses, etc.) into a
function.
Example: To incorporate the expression inside of the parentheses of 1 +
(2 + 3) + 4 into the √
function
1
2 3 4
(INS)
This changes the shape of the cursor as shown here.
This incorporates the expression in the parentheses into the function √ .
22
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