The original All-In-One Calculator for Android It's a FREE, complete and easy to use multi calculator & converter. What does it do? Designed with simplicity in mind, it helps you solve everyday problems. From simple or complex calculations, to unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it good! This is the PERFECT Calculator Passionate development combined with constant feedback we receive from our users resulted in that we think