Percentage Calculator Free

Very often, together with the usual calculations, we need to calculate the interest. The simplest operation is to add or subtract the number of interest. Or do we calculate the discount given. This is a simple calculator with the ability to add or subtract percentages.
Specially designed bright and comfortable design.
Also has several built-in calculators:
- Subtraction and addition of interest.
- What percentage.
- Tip Calculator.
- The percentage of one number from another.
- Discount calculator.
- Change in percent.