HP 35s

ALG: Summary C-3
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 Õx 
Keys: Display: Description:

Õ



This year's price dropped
about 2.2% from last year's
price.