4–2 Real–Number
Functions
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
To Calculate:
Press:
Natural logarithm (base
e
)
-
Common logarithm (base 10)
z
+
Natural exponential
*
Common exponential (antilogarithm)
z
(
Power Functions
To calculate the square of a number
x
, key in
x
and press
z
:
.
To calculate a power
x
of 10, key in
x
and press
z
(
.
'To calculate a number
y
raised to a power
x
, key in
y
x
, then press
0
.(For
y
> 0,
x
can be any rational number; for
y
< 0,
x
must be are integer;
for
y
= 0,
x
must be positive.)
To Calculate:
Press:
Result:
15
2
15
z
:
)
10
6
6
z
(
88)
5
4
5
4
0
)
2
–1.4
2
1.4
_
0
)
(–1.4)
3
1.4
_
3
0
.)
To calculate a root
x
of a number
y
(the
x
th
root of
y
), key in
y
x
, then
press
z
.
. For
y
<
0,
x
must be an integer.
To Calculate:
Press:
Result:
3
125
−
125
_
3
z
.
.)
3
125
125
3
z
.
)
