Percent
On a Windows calculator you can calculate a percentage
%
This only works on the standard calculator and not on the scientific version.
To calculate 12% of 1500
1 5 0 0 + 1 2 % 180
Example 2
To add 15% onto 2500
2 5 0 0 + 1 5 % 375 = 2875
Example 3
To discount 3500 by 25%
3 5 0 0 − 2 5 % 875 − 2625
Example 4
To discount the sum of 168 and 98 and 734 by 20%
1 6 8 + 9 8 + 7 3 4 − 2 0 % = 800
Example 5
To calculate what percentage 660 is of 880
6 6 0 / 8 8 0 ∗ 1 0 0 = 75