E-19
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
3
0.125
2
W
D
3
=
•
Example 6:
(
2)
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
3
5
5.287196909
L
2
+
L
3
-
L
5
=
•
Example 2:
3
5
3
27
–1.290024053
A
D
5
+
A
D
R
D
27
T
=
•
Example 4:
123
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
1
3 4
1
•
Example 7:
8!
40320
8
A
f
=