Using the printf command to convert decimal numbers. ... the octal and hexadecimal systems provide easy conversions so that we humans don’t have to look at long strings of 0’s and 1’s.

In hex, numbers between zero and nine are represented as they are in decimal, with number ten using the letter A, then 11 as B and so on up to F, which is 15. The 12 is therefore C in hexadecimal.

You will see Hex (Hexadecimal), Dec (Decimal), Oct (Octal) and Bin (Binary) radio buttons. These are used for converting numbers between these numbering systems. Ensure that Dec (Decimal) radio ...

Useful (particularly since expr and $(( )) can't work with floats and decimal values), but where this gets really interesting is with those input and output numeric bases. Let's say I want to confirm ...