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
.
)
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