Is there a tool to convert decimal/octal/hex ?

[Randy Kelsoe]

clemens at dwf.com wrote:

>I seem to remember that there used to be a tool in Linux to
>convert between decimal and octal and Hex, but I havent 
>stumbled over it in my recent search.
>
>Anyone know of such a beast?
>
In gnome, click on the Fedora Button => Accessories => Calculator. In 
the calculator, click on  "View" and select 'Scientific Mode'. From a 
command line, type 'gcalctool'.