>>It looked like a "diaphantine" equation. I tried to derive such myself, but quickly discovered that creating/solving a diaphantine was more difficult than just programming a little bit (s). BTW, I used 6 FOR loops to solve it...
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>Yesss Bruce, why don't you rub it in ... :) OK. I made of fool of myself.
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Er, sorry, Marc...I was partly trying to give you credit for using a lofty mathematical method... :~)
The Anonymous Bureaucrat,
and frankly, quite content not to be
a member of either major US political party.