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Texas Instruments TITANIUM TI-89 User Manual

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acceleration due to gravity, which is a constant named _g). Convert the result from
newtons to kilograms of force.

Steps and keystrokes

Display

1. Display the

MODE

dialog box, Page 3. For

Unit System

mode, select

SI

for the metric

system of measurements.

Results are displayed according to these
default units.

Press

3 … B 1 ¸

2. Create an acceleration unit for

meters/second

2

named _ms2.

The

UNITS

dialog box lets you select units

from an alphabetical list of categories.
You can use

2 D and 2 C to scroll

one page at a time through the
categories.

If you use the

UNITS

dialog box to select a

unit, the _ is entered automatically. Now,
instead of re-entering _m/_s

2

each time

you need it, you can use _ms2. Also, you
can now use the

UNITS

dialog box to

select _ms2 from the Acceleration
category.

Press

2 À D B M ¸ e 2

À D D D D B S ¸ Z 2 9 8

5 2 ™ MS j 2 ¸