HP 33s - Manual (Page 313)

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 y y 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
‘