It is a simple and easy-to-read free calculator application. This calculator focuses on ease of use, such as time display, real-time calculation result display, and history display. ・ I am looking for a simple calculator that does not need extra functions ・ I want a calculator with a “00” key ・ I want to customize decimal processing ・ I want to know the tax-included (consumption tax) amount at supermarket shopping ・ I want to use a calculator to calculate work receipts and split bills ・ I want to use a calculator for school homework ・ I want to use the calculator while checking the time Recommended for such people. Major features -Simple and easy-to-read layout -Easy to press with large button -Clock display -Clock can be customized for date and time -No limit on input number digits -Memory function (M +, M-, RM, CM) -Data is retained even when the application is closed -Dark theme can be switched -Calculator usage statistics can be seen in color -Calculation history display -Font change is possible -Set the decimal point processing method -Set the number of decimal places -Display real-time calculation results -Vibrate ON / OFF switching -Show / hide memory function -Percent (%) calculation -Delete one character with backspace -Long press in backspace to delete all -Turning the screen always on / off -Switch calculation result animation ON / OFF -Statistical information display such as calculator key press history