Mobi Calculator is a free, ad-free Android app for everyone who appreciates a good user interface and functionality.Calculator for simple and complex calculations with percentage capability—Enjoy ad-free convenience!The easy-to-use interface makes using it a joy. This simple yet functional calculator is useful for school children, students, professionals at work, and as go-to calculator for everyday tasks.• Free• No ads!• Time calculator• Accurate percentage calculator• Real-time result• This is calculator with full-featured history of calculations, comments and sharing of calculations• Classical memory feature (M+, M-, MR)• Multiple string expressions• Big buttons and beautiful themes• Multilanguage• Customizable buttons on the main screen• Spends very small memory space• High accuracy, up to 30 digits• HEX/BIN/OCT mode, up to 64 bits in PRO-version• Does not require unnecessary permissions like Internet connection, geo-position, contacts and SMSIts not an All-in-One tool. We include only the truly essential features that are useful for work and everyday household calculations.Other features include:• Calculation modes: operation priorities, rounding, etc.• Modern Material and battery-saving dark themes.• Trigonometric functions: sine, cosine, etc.• Radians and degrees calculations with DMS (degree-minute-second) displaying mode.• Logarithmic and other functions.• Basic features: square/cube/n-th root, power, percentages.In the PRO version:* Ability to store up to 1000 history records (50 in the free version).* Ability to edit expressions with up to 7 lines on the screen (5 in the free version).* Additional themes (Business, Ice Cream Sandwich).The list will be expanded!