Percentage calculation tool very useful to simplify your dayly calculations.

Functions included:

- Calculate a simple percentage
- Get the percentage from a fraction
- Distribute a value in different percentages
- Sum different discounts to a initial value
- Add Tax (VAT)
- Remove Tax (VAT)
- Calculate discount, initial price or final price, using two of the three values
- Calculate inflation, years, initial price or final price, using three of the four values
- Simplify fractions