E-19
Example 1: log
2
16 = 4, log16 = 1.204119983
l
2,16)
E
l
16)
E
Base 10 (common logarithm) is assumed when no base is specified.
Example 2: ln 90 (log
e
90) = 4.49980967
I
90)
E
k
Power Functions and Power Root Functions
A
Syntax and Input
{
n
}
x
2
............................... {
n
}
2
(Square)
{
n
}
x
3
............................... {
n
}
3
(Cube)
{
n
}
x
–1
............................. {
n
}
–1
(Reciprocal)
{(
m
)} ^( {
n
}) ....................... {
m
}
{
n
}
(Power)
'
({
n
}) .......................... {
n
} (Square Root)
3
'
({
n
}) .........................
3
{
n
} (Cube Root)
({
m
})
x
'
({
n
}) ..................
{
m
}
{
n
} (Power Root)
Example 1: (
'
2 + 1) (
'
2 – 1) = 1
(
9
2)+1)
(
9
2)-1)
E
Example 2: –2
2
3
= –1.587401052
-
2
M
2
$
3)
E
A
Notes
• The functions
x
2
,
x
3
, and
x
–1
can be used in complex number calculations in the CMPLX
Mode. Complex number arguments are also supported for these functions.
• ^(,
'
(,
3
'
(,
x
'
( are also supported in the CMPLX Mode, but complex number
arguments are not supported for these functions.
4
lo
g
(
16
)
1204119983
449980967
(
'
(
2
)
+
1
)(
'
(
2
)
–
1
)
1
–
2
ˆ
(
2{3
)
-
1587401052
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