The bc command works just as well with binary as it does with hex and octal, so we can also convert numbers to binary. Here’s the command to display decimal 16 as a binary number: $ echo ...

NOTE: If this is more programming related than math related, please let me know and I'll move it to the programming forum...I realize this might be an idiot question for some people, but I'm a bit ...

Let's take the example further, and convert each hexadecimal digit to its decimal equivalent and then add them: (16 2 x 1) + (16 0 x 15) + (16 0 x 4) = (256 + 240 + 4) = 500. Hex and binary in action.