Power functions, Percentage calculations – HP 35s Scientific Calculator User Manual
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Power Functions
In ALG mode, to calculate a number y raised to a power x, key in y
x, then
press
.
Percentage Calculations
The Percent Function. The
key divides a number by 100.
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?
To Calculate:
Press:
Display:
12
3
64
1/3
(cube root)
Õ64
To Calculate:
Press:
Display:
27% of 200
Õ2
7
200 less 27%
Õ27
25 plus 12%
Õ12
To Calculate:
Press:
x% of y
y
Õ
x
Percentage change from y to x. (y
≠ 0)
y
Õ
x
Keys:
Display:
Description:
Õ
This year's price dropped
about 2.2% from last year's
price.