CountTip for Android

How much does your meal cost when eating with a group of friends? It’s simple. Launch the built-in calculator app, and push 19 buttons to represent a product of numbers, say 17.90*1.07*1.10*0.9. Hit the equal sign. VoilĂ ! You get 18.96147 and pull out 19 dollars worth of paper money. Pass your phone to the person […]