[thelist] Unique combination numbering
Michael Pemberton
evolt at mpember.net.au
Fri May 7 09:50:57 CDT 2004
João Verde wrote:
> The situation:
> =========
>
> I have a form with a field for which there are 5 possible checkboxes.
>
> [EXAMPLE]
> Water: [ ] River [ ] Lagoon [ ] Pool [ ] Sea [ ] Other
> [/EXAMPLE]
...
> The question:
> =========
>
> Is there a (simple) mathematical approach to this?
>
> Thanks in advance. I'm puzzled. %-)
>
Binary?
0 0 0 0 0 = 0
0 0 0 0 1 = 1
....
0 1 1 1 1 = 15
1 1 1 1 1 = 31
The wonders of computing in their simplest form :)
--
Michael Pemberton
evolt at mpember.net.au
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