Texas Instruments Titanium TI-89 User Manual

Operating the Calculator 171
Ê Always 1 digit to the left of the decimal point.
Ë Exponent (power of 10).
Ì May have 1, 2, or 3 digits to the left of the decimal point.
Í Exponent is a multiple of 3.
Note:
In the history area, a number in an entry is displayed in SCIENTIFIC if its absolute
value is less than .001.
Editing an Expression in the Entry Line
Editing an Expression in the Entry LineEditing an Expression in the Entry Line
Editing an Expression in the Entry Line
Knowing how to edit an entry can be a real time-saver. If you make an error while typing
an expression, it’s often easier to correct the mistake than to retype the entire
expression.
Setting Example Description
NORMAL 12345.6 If a result cannot be displayed in the
number of digits specified by the
Display Digits mode, the
calculator
switches from NORMAL to
SCIENTIFIC for that result only.
SCIENTIFIC
1.23456 × 10
4
ENGINEERING
12.3456 × 10
3
1.23456E 4
Ê
Ë
1.23456E 3
Ì
Í

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)