Calculator Widget Themes is a free utility and tool app developed by foralt for Android devices. This app offers 28 various themes or motifs and a widget for your home and lock screen. You can customize the font size, decimal separator, thousands separator, and precision of results. The widget is resizable and has subscripts that show small optional symbols on buttons and superscripts that display the current result.

This calculator app provides basic mathematical operations such as subtraction, addition, multiplication, and division. It also includes percentage, square root, pi constant, e constant, logarithm, remainder of division, natural logarithm, power, sin, cos, and tan. The app keeps a history of operations, making it easier to review previous calculations.

If you encounter issues with the widget not showing up or buttons not responding, simply reboot your device. Additionally, the permission to run at startup is required for the optional shortcut to the calculator in the notification bar.

Overall, Calculator Widget Themes is a reliable and functional calculator app with a variety of themes and customization options for users to choose from.