> If you cover up the value you want to find with a finger, the layout of
the
> other 2 gives you the form of the equation.
>
>
>         V
>    -------
>     I | R
>
> Ie. Cover up I, and you see V over R.
>
> Jon


Yeah they showed me that in school too. Then there's the 12 equations in a
circle around it. But the one that's always stuck in my mind was the
mnemonic "an 'I'ndian saw an 'E'agle over a 'R'iver".
    E
I= ---
    R

Mathematically, no form is more right then another, it's just a matter of
what you have and what you need. As long as you can remember one of them
and a little algebra you're good to go.
-Denny

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