E-23
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
log
2
16 = 4
l
2
1
)
(,) 16
)=
4
B
&
2
e
16
=
4
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
)
1
w
(
x
3
)
=
15625
32
5
= 2
B
1
6
(
"
) 5
e
32
=
2
b
5
1
6
(
"
) 32
)=
2
To calculate
'
2
×
3 (= 3
'
2 = 4.242640687...) to three decimal
places (Fix 3)
1N
(SETUP)
6
(Fix)
3
B
!
2
e
*
3
=
3
'
2
1
=
4.243
b
!
2
)
*
3
=
4.243
∫
1
e
ln(
x
) = 1
B
7
iS
)
(X)
)
e
1
e
S
5
(
e
)
=
1
b
7
iS
)
(X)
)
1
)
(,)
1
1
)
(,)
S
5
(
e
)
)
=
1
To obtain the derivative at point
x
=
π
/2 for the function
y
= sin(
x
)
V
B
1
7
(
F
)
s
S
)
(X)
)
e
'
1
5
(
π
)
e
2
=
0
b
1
7
(
F
)
s
S
)
(X)
)
1
)
(,)
1
5
(
π
)
'
2
)=
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9