Texas Instruments ti nspire cx

22 Using the Scratchpad
Calculating with Scratchpad
From the ScratchpadCalculate page, enter a math expression on the entry line, and
then press · to evaluate the expression. Expressions are displayed in standard
mathematical notation as you enter them.
Each evaluated expression and result becomes part of the Scratchpad history, displayed
above the entry line.
Entering Simple Math Expressions
Note: To enter a negative number, press v and then type the number.
Suppose you want to evaluate
1. Select the entry line in the work area.
2. Type 2 l 8 to begin the expression.
3. Press ¢ to return the cursor to the baseline, and then complete the expression by
typing:
r 43 p 12
4. Press · to evaluate the expression.
The expression is displayed in standard mathematical notation, and the result is
displayed on the right side of the page.
Note: You can force a decimal approximation in a result by pressing / ·
instead of ·.
Pressing / · forces the approximate result.