With it's +/- buttons, Percent Mate allows for quick calculation adjustments and instant result updates. By fine tuning the inputs, the solution responds accordingly. FIGURE THIS - Stepper: 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 - Free Bonus: online calculation examples on our website THIS IS 100% FOR YOU Percent Mate is ideal to calculate - vat/sales tax, - gross/net, - tipping, - margin, - growth, - fraction, - discount, - interest (both for debt and savings), - weight changes, - tolerences, - measuring accuracy (eg. speeding) USEFUL TIPS We've prepared some useful tips for the usage of Percent Mate to get quickly started. Learn more about Percent Mate on our website: http://www.percentmateapp.com ENJOY THIS APP IN EVERY FORMFACTOR See also PM for iPhone or PM Wearable for Apple Watch.