Texas Instruments TITANIUM TI-89 User Manual
Page 288

Constants and Measurement Units
288
If You’re Using the SI or ENG/US System
If You’re Using the SI or ENG/US System
If You’re Using the SI or ENG/US System
If You’re Using the SI or ENG/US System
Setting Custom Defaults
Setting Custom Defaults
Setting Custom Defaults
Setting Custom Defaults
The SI and ENG/US systems of measurement
(set from
Page 3
of the MODE screen) use
built-in default units, which you cannot
change.
The default units for these systems are
available.
To set custom defaults:
1. Press
3 … B
3
to set
Unit System =
CUSTOM
.
2. Press
D to highlight
SET DEFAULTS
.
3. Press
B to display the
CUSTOM UNIT
DEFAULTS
dialog box.
If Unit System=SI or
ENG/US, the Custom
Units item is dimmed.
You cannot set a
default for individual
categories.