Texas Instruments TI-89 Guide Book

86 Chapter 4: Constants and Measurement Units
04UNITS DOC TI
-
89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 86 of 12
To enter meters per second
squared:
27_m/_s^2
To convert meters per second
squared from seconds to hours:
27_m/_s^2
4
1/_hr^2
To convert a temperature value, you must use
tmpCnv()
instead of
the
4
operator.
tmpCnv
(
expression
_
¡
tempUnit1
,
_
¡
tempUnit2
)
For example, to convert
100_
¡
C to _
¡
F:
tmpCnv(100_
¡
c, _
¡
f)
0 100
32 212
_ C
_ F
o
o
To convert a temperature range (the difference between two
temperature values), use
@
tmpCnv()
.
@
tmpCnv
(
expression
_
¡
tempUnit1
,
_
¡
tempUnit2
)
For example, to convert a
100_
¡
C range to its equivalent
range in _
¡
F:
@
tmpCnv(100_
¡
c, _
¡
f)
0100
32 212
_ C
_ F
o
o
100_ C
o
180_ F
o
For Temperature
Values
For Temperature
Ranges
For
@
, press:
TI
.
89:
¥ c ¤
[D]
TI
.
92 Plus:
2
G
¤
D
For
¡
, press
2 “
.

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA