Power Functions; Percentage Calculations - HP 35s User Manual

Power Functions

In ALG mode, to calculate a number y raised to a power x, key in y

press .
To Calculate:
3
12
1/3
64 (cube root)

Percentage Calculations

The Percent Function. The
To Calculate:
27% of 200
200 less 27%
25 plus 12%
To Calculate:
x% of y
Percentage change from y to x. (y 0)
Example:
Suppose that the $15.76 item cost $16.12 last year. What is the percentage
change from last year's price to this year's?
Keys:

Õ

Press:

Õ64


key divides a number by 100.
Press:
Õ2
7

Õ27

Õ12
Display:


Display:


Display:






Press:
 Õ
y x
 Õ
y
Description:
This year's price dropped
about 2.2% from last year's
price.
ALG: Summary

x, then




x
C-3