Texas Instruments ti nspire cx Guide Book

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.

Texas Instruments ti nspire cx Specifications

General

Power	Rechargeable lithium-ion battery
Operating System	TI-Nspire OS
Programming Support	TI-Basic, Lua
Display	320 x 240 pixel color display (3.2 inch diagonal)
Connectivity	USB
Memory	100 MB storage memory
Processor	150 MHz ARM9
Dimensions	7.5 x 3.4 x 0.8 inches
Graphing Capabilities	3D graphing