61
Scientifi
c
Calculations
Example
K
e
y
operation
Displa
y
sin 60 [°] =
s
.
{
60
=
sin60=
087
cos — [r
ad] =
~
1
1
.
c
(
.
t
8
4
)
=
cos(π©4)=
071
tan
–1
1 [g] =
~
1
2
.
7
1
=
tan
-
|
1=
5000
tan
–1
1 [°] =
~
1
0
.
7
1
=
tan
-
|
1=
4500
•
The r
ange of the results of in
v
erse tr
igonometr
ic functions
= sin
–1
x
,
= tan
–1
x
= cos
–1
x
DEG
–90
90
0
180
RAD
– —
—
0
GRAD
–100
100
0
200
Example
K
e
y
operation
Result
(cosh 1.5
+
sinh 1.5)
2
=
s
(
.
]
c
1.5
+
.
]
{
1.5
)
.
;
=
2
00
9
tanh
–1
— =
.
]
7
(
5
8
7
)
=
0
9
0
log 50 =
.
h
50
=
1
70
In 20 =
.
d
20
=
3
00
10
1.7
=
.
:
1.7
=
50
12
e
3
=
.
R
3
=
2
00
9
— + — =
6
.
;
+
7
.
;
=
0
31
8
–2
– 3
4
×
5
2
=
8
.
@
,
2
-
3
.
@
4
x
5
.
;
=
-2
0
249
8
(12
3
)
–
=
12
.
@
3
.
@
4
.
;
=
6
4
5
49 –
4
81
=
.
}
49
-
4
.
:
81
=
4
00
4
2
2
1
4
1
6
1
7
5
7
4 Scientific Calculations.indd 61
06.7.10 8:02:15 PM
