Trigonometry; Entering - HP 33s User Manual

In RPN mode, to calculate a number y raised to a power x, key in y
)
then press . (For y > 0, x can be any number; for y < 0, x must be an odd
integer; for y = 0, x must be positive.)
To Calculate:
2
15
6
10
4
5
–1.4
2
3
(–1.4)
196
3
125
In RPN mode, to calculate a root x of a number y (the x
Ï
x , then press
To Calculate:
4
625
1 4 .
. 37893

Trigonometry

Entering

º j
Press to place the first 12 digits of
(The number displayed depends on the display format.) Because
doesn't need to be separated from another number by
Note that the calculator cannot exactly represent , since is an irrational number.
Press:
=
15
¹ !
6
Ï )
5 4
Ï z )
2 1.4
z Ï ¹ @
1.4
?
196
z ¹ \
125
'
. For y 0, x must be an integer.
Press:
Ï '
625 4
Ï
.37893 1.4







th
root of y ), key in y

z '

into the X–register.
Ï
Real–Number Functions
Ï
x,
Result:
Result:
is a function , it
.
4–3