Texas Instruments Titanium TI-89 User Manual

Getting Started 15
To enter a number in scientific notation:
1. Type the numbers that precede the exponent. (This value can be an expression.)
2. Press ^. The exponent symbol (í) follows the numbers you entered.
3. Type the exponent as an integer with up to three digits. (As the following example
shows, you can use a negative exponent.)
Example: On the calculator Home screen, enter 0.00685 using scientific notation.
Other important keys
Other important keysOther important keys
Other important keys
Press Result
6 ¶ 85
^
?
3
¸
Key Command Description
8#
Displays the Y= Editor.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)