E-15
Examples
sin 30°= 0.5
bv
s
30
)=
0.5
sin
−1
0.5 = 30°
bv
1
s
(sin
−1
) 0.5
)=
30
sinh 1 = 1.175201194
w
b
(sinh) 1
)=
1.175201194
cosh
–1
1 = 0
w
f
(cosh
−1
) 1
)=
0
π
/2 radians = 90°, 50 grads = 45°
v
(
1
5
(
π
)
/
2
)
1G
(DRG
'
)
c
(
r
)
=
90
50
1G
(DRG
'
)
d
(
g
)
=
45
To calculate
e
5
×
2 to three significant digits (Sci 3)
1N
(SETUP)
7
(Sci)
3
B
1i
(
%
) 5
e
*
2
=
2.97×10
2
b
1i
(
%
) 5
)*
2
=
2.97×10
2
log
10
1000 = log 1000 = 3
l
1000
)=
3
To calculate ln 90 (= log
e
90) to three significant digits (Sci 3)
1N
(SETUP)
7
(Sci)
3
i
90
)=
4.50×10
0
1.2
×
10
3
= 1200
B
1.2
*
10
6
3
=
1200
(1+1)
2+2
= 16
B
(
1
+
1
)
6
2
+
2
=
16
(5
2
)
3
= 15625
(
5
x
)
W
=
15625
32
5
= 2
B
1
6
(
"
) 5
e
32
=
2
b
5
1
6
(
"
) 32
)=
2
To calculate
'
2
×
3 (= 4.242640687...) to three decimal places (Fix 3)
1N
(SETUP)
6
(Fix)
3
B
!
2
e
*
3
=
4.243
b
!
2
)
*
3
=
4.243
To convert rectangular coordinates (
'
2 ,
'
2 ) to polar coordinates
v
B
1
+
(Pol)
!
2
e
1
)
(,)
!
2
e
)
=
r=2,
=45
b
1
+
(Pol)
!
2
)
1
)
(,)
!
2
))
=
r= 2
= 45
To convert polar coordinates (
'
2 , 45°) to rectangular coordinates
v
B
1
-
(Rec)
!
2
e
1
)
(,) 45
)
=
X=1, Y=1
(5 + 3) ! = 40320
(
5
+
3
)
q
=
40320
|2 – 7|
×
2 = 10
B
D
2
-
7
e
*
2
=
10
b
D
2
-
7
)
*
2
=
10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
