Handiness universal calculator with percentage for simple and complicated calculations. Ad Free! Mobi Calculator PRO is the best Android calculator for everyone who appreciate great usability and functionality. Working with the calculator brings pleasure, since the interface is thought through to trifles. This is a simple calculator that will suit both schoolchildren, students and in work, and for everyday household calculations. It's a choice of millions. Never fails its users! - Ad Free! - does not require unnecessary permissions like Internet connection, geo-position, contacts and SMS - well calculates percentages - classical memory feature (M+, M-, MR) - multiple string expressions - big buttons and beautiful themes - multilanguage - customizeble buttons on main screen - realtime calculation - spends very small memory space - high accuracy, up to 30 digits - full featured history of calculations, comments and sharing of calculations - time calculation - HEX/BIN/OCT mode, up to 64 bits in PRO-version It's not "All in one" tool. We appending only really essential features that usable during work and everyday household calculations. Other features: - calculation modes: operation priorities, rounding, etc. - modern Material and battery safe dark themes - trigonometrical functions, sine, cosine, etc. - radians, degrees calculations with DMS displaying mode (degree-minute-second) - logarithmic and other functions - basic features, square/cube/n-th root, power, percentages In the PRO-version only: * Ability to store records of the history (up to 1000, FREE - 50) * Ability to edit expression with up to 7 lines on the screen (FREE - 5) * Additional themes (Business, Ice Cream Sandwich) The list will be increased!