In RPN mode, to calculate a number y raised to a power x, key in y ‘x, 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:

 

Press:

Result:

 

 

 

152

15 !

)

106

6

{

88)

54

5

‘4

 

)

2–1.4

2

‘1.4 ^

) 

(–1.4)3

1.4 ^‘{$

.)

196

196 #

)

3 − 125

125 ^{@

.)

In RPN mode, to calculate a root x of a number y (the xth root of y), key in y

‘x, then press . For y < 0, x must be an integer.

To Calculate:

Press:

Result:

 

 

 

4 625

625 ‘4

)

−1.4 .37893

.37893‘1.4 ^

)

Trigonometry

Entering π

Press Nto 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 ‘.

Note that the calculator cannot exactly represent π, since π is an irrational number.

Real–Number Functions 4–3