Percentage Calculator P. Mate

Percent Mate allows for quick calculation adjustments and instant result updates by using the +/- buttons for calculation inputs (incremental and precision steps configurable).
THIS IS 100% FOR YOU:
Percent Mate is suitable for every percentage-related calculation including
- VAT (Value Added Tax) / GST (Goods and Services Tax),
- gross/net,
- tipping,
- margin,
- growth,
- fraction,
- discount,
- interest (both for debt and savings),
- weight changes,
- ROI,
- Churn Rate,
- tolerances or
- measuring accuracy (eg. speeding)
FIGURE THIS:
- Stepper: Change all the values in self-defined incremental steps to fine tune the solution
- Rounding: Supporting .00, .000 and .0000
- All input fields invertible (plus to minus and vice versa)
- Color customization: Choose from 16 text colors
- Big fonts for easier reading
- Free Bonus: online calculation examples on our website
GREAT WITH NUMBERS:
We've prepared some useful calculation examples to get quickly started. 
Learn more about Percent Mate on our website: http://www.percentmateapp.com
AND THERE'S 200 PERCENT MORE:
See also Percent Mate for iPad or Percent Mate for Apple Watch.