HP 33S - Trigonometry; Entering

Real–Number Functions
4–3
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
In RPN mode, to calculate a number y raised to a power x, key in y
Ï
x,
then press
)
.(For y > 0, x can be any rational number; for y < 0, x must be an
integer; for y = 0, x must be positive.)
To Calculate: Press: Result:
15
2
15
=

10
6
6
¹ !

5
4
5
Ï
4
)

2
–1.4
2
Ï
1.4
z )

(–1.4)
3
1.4
z Ï ¹ @

2
196
196
?

3
125−
125
z ¹ \

In RPN mode, to calculate a root x of a number y (the x
th
root of y), key in y
Ï
x, then press
'
. For y
<
0, x must be an integer.
To Calculate: Press: Result:
4
625
625
Ï
4
'

4.1
37893.
−
.37893
Ï
1.4
z '

Trigonometry
Entering π
Press
º j
to place the first 12 digits of
π
into the X–register.
(The number displayed depends on the display format.) Because
π
is a function, it
doesn't need to be separated from another number by
Ï
.
Note that the calculator cannot exactly represent
π
, since
π
is an irrational number.
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