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 SIMPLE AND EASE OF USE No keyboard distraction. A custom keypad slides in for value inputs - or use the stepper buttons instead. GREAT WITH NUMBERS Weve prepared some useful calculation examples to get quickly started. Learn more about Percent Mate on our website: http://www.percentmateapp.com AND THERES MORE See also PM for iPad or PM for Apple Watch.