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ALG: Summary C–3
To Calculate: Press: Display:
12
3
12
3
:/
8)
64
1/3
(cube root) 3
64
º
/
)
Percentage Calculations
The Percent Function. The
Q
key divides a number by 100. Combined with
or
, it adds or subtracts percentages.
To Calculate: Press: Display:
27% of 200 200
z
27
Q
º0/
)
200 less 27% 200
27
Q
.0/
)
12% greater than 25 25
12
Q
-0/
)
To Calculate: Press:
x% of yy
z
x
Q
Percentage change from y to x. (y
0)
y
|T
x
Compare these keystrokes in RPN and ALG modes:
RPN Mode ALG Mode
27% of 200 200
27
Q
200
z
27
Q
200 less 27% 200
27
Q
200
27
Q