Simple calculator.Made with practicality in mind, Calculator is a simple and easy calculator app, ideal for your everyday use.It is easy to use with large buttons, clean and stylish design, and provides the basic functionalities most people need for daily calculations.For example, Calculator is perfect in situations such as adding up receipts, calculating taxes or discounts when shopping, doing homework study for school, some calculation at your workplace, or even when you calculate a tip at restaurants.*This is a free version of Calculator, which displays ad at the bottom of the screen. Ad-free version is also available.[Features] - Beautiful, simple and stylish design - Easy to use with large buttons to minimize errors - Option to choose from 3 keypad layouts (Standard / Stylish / Ergonomic) - Option to choose from 12 themes (Material - Indigo, Red, Green, Amber, Pink, Brown / Original - Black, White, Blue, Green, Red, Yellow) - Option to turn on/off vibration on touch - Option to turn on/off memory buttons - Displays calculation history - Displays calculated expression - Percentage calculation available - Backspace button to delete the last digit to correct a simple mistake - Backspace button can also clear all by pressing and holding it - Copies calculated result to clipboard by touching the display area - Supports both portrait and landscape mode - Displays operator symbols during calculation - Displays your calculations with thousand separators to make it easy to readIf you find a bug or have any suggestion for improvement, please feel free to contact me at: [email protected]You can also check the news and updates for Calculator on my website: http://www.tricolorcat.comThank you!*2015/09/25: This app was renamed from "Daily Calculator" to "Calculator".