Conversion of binary to decimal numbers is often needed in firmware. And it’s done easily enough if multiplication and division by ten are acceptable.

This Number System Beats Binary, But Most Computers Can’t Use It Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than you ...

Why? Because it is simpler for computers to convert from binary and hexadecimal and vice versa, and it is significantly harder to do this with the commonly-used decimal number system.