K common and natural logarithms/ antilogarithms, And permutation/combination – Casio fx-83MS User Manual
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k Common and Natural Logarithms/
Antilogarithms
• Example 1: log 1.23
҃ 0.089905111
R
1.23
=
• Example 2: In 90 (= log
e
90) =
4.49980967
T
90
=
ln e
҃ 1
T
p
P
=
• Example 3: e
10
҃ 22026.46579
A
U
10
=
• Example 4: 10
1.5
҃ 31.6227766
A
Q
1.5
=
• Example 5: 2
ȕ3
҃ 0.125
2
W
D
3
=
• Example 6: (
ȕ2)
4
҃ 16
R
D
2
T
W
4
=
• Negative values inside of calculations must be enclosed
within parentheses. For details, see “Order of Operations.”
k Square Roots, Cube Roots, Roots,
Squares, Cubes, Reciprocals,
Factorials, Random Numbers,
π
, and
Permutation/Combination
• Example 1:
2
ѿ 3 ҂ 5 ҃ 5.287196909
L
2
+
L
3
-
L
5
=
• Example 2:
3
5
ѿ
3
ȕ27 ҃ –1.290024053
A
D
5
+
A
D
R
D
27
T
=
• Example 4: 123
ѿ 30
2
҃ 1023
123
+
30
K
=
• Example 5: 12
3
҃ 1728
12
N
=
1
7
• Example 3:
7
123 ( = 123 ) ҃ 1.988647795
7
A
H
123
=
• Example 6:
҃ 12
R
3
a
,
4
a
T
a
=
1 ȕ 1
3 4
1
• Example 7: 8!
҃ 40320
8
A
f
=