...These two programs also fulfilled a genuine need to convert to xbits (megabit usually) to xbytes (megabytes, again usually) when dealing with things such as cartridge sizes ,which are generally expressed in megabits, and something the author frequently encountered. Thus, xbit can be used to convert whatever bit (mega, giga, etc.) to whatever byte (again, mega, giga, etc.), and the sister program can be used to convert the opposite way.