Good point, and thanks. But if you are doing a real-time display (like an industrial controller, for example), you may not be able to choose a fixed point numbe

Good point, and thanks. But if you are doing a real-time display (like an industrial controller, for example), you may not be able to choose a fixed point number as your source. I chose the music time example first because it is a common use of a number that needs to change in (almost) real time.