A free program for Android, by Tom Hogenkamp.
This app is an all-in-one tool for binary numbers, providing conversion, calculation, translation, logic gates, two's complement, and color representations in RGB and hexadecimal formats. It has separate keyboards for each number system, making it easy and fast to use, and values can be copied and pasted.
This application will allow you to convert, calculate and translate binary numbers.
This app has a keyboard that allows you to type in the values. You can type the values by themselves or by using the copy and paste option. The calculator supports four number systems: decimal, hexadecimal, octal and binary.