Those would be called bits.

22 would be translated into binary as

1011
or 01011
or 00001011

and you can treat each bit as a separate on/off switch.

Jerry Johnson

>>> [EMAIL PROTECTED] 10/21/04 11:25AM >>>
...when you have a value eg 22 which is made up of 2+4+16 so you know of
all your options valued 2,4,8,16,32 Etc only 2 and 4 and 16 apply.

I know there must be a mathematical name for this, but what?

Does anyone have some example CF code to 'decrypt' such numbers?

Are there other [simple] ways to do this to handle a large number of
options (>25, so I don't start having giant numbers?)  Something to do
with prime numbers perhaps?  

You can tell I'm not a mathmatician can't you!

THANKS!


--
Regards;

Richard Meredith-Hardy
-------------------------------------------------------------
r[dot]mh[at]flymicro[dot]com
Tel: + 44 (0)1462 834776 FAX: + 44 (0)1462 732668



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