Texas Instruments TI-80 - Page 219

Service and Warranty Information B-9
Following is a table of functions and the range of input values
for each.
Function Input Values
SIN
x
,
COS
x
,
TAN
x
0

|
x
| < 10
10
(degree)
SIN
-
1
x
,
COS
-
1
x -
1
 x 
1
LN
x
,
LOG
x
10
-
100
<
x
< 10
100
e
x
-
10
100
<
x 
230.2585092993
10
x
-
10
100
<
x
< 100
‡x
0
 x
< 10
100
x
!0
 x 
69, where
x
is an integer
Following is a table of functions and the range of the result for
each.
Function Range of Result
SIN
-
1
x
,
TAN
-
1
x -
90
¡
to 90
¡
or
-pà
2 to
pà
2 (radians)
COS
-
1
x
0
¡
to 180
¡
or 0 to
p
(radians)
Function
Limits
Function Results