Menus; Scrolling Expressions And History - Texas Instruments MathPrint TI-30X Plus Quick Manual

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Menus

Press > and ] to scroll and select a menu item or press the corresponding number next to
the item. To return to the previous screen without selecting the item, press s. To exit a
menu and return to the home screen, press q –.
Keystrokes description:
For example, press t (key with multiple
menus) to access MATH, NUM, DMS or
R◄►P.
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Scrolling expressions and history

Press  or  to move the cursor within an expression that you are entering or editing.
Press   to move the cursor directly to the beginning of the expression.
Press   to move the cursor directly to the end of the expression.
Press [ or ] to move the cursor through previous entries in the history. Pressing n from
an input or output in history will copy and paste that expression back to the cursor position
on the edit line.
Press q [ from the denominator of a fraction in the expressions edit to move the cursor
to the history. Pressing n from an input or output in the history will paste that expression
to the denominator.
Example
Press l to calculate the square of a value.
Use the TI-30X Plus MathPrint™ to calculate
(a) .
(b) , giving your answer in exact form.
Keystrokes and solution:
(a)
17
and press l -.
Enter
7
and press l n.
Enter
(b)
Press q € [ [ n n.
− =
2 2
17 7 4 15
4