<img src="http://ie7-js.googlecode.com/svn/test/*.png">

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` ` ` I_e= \sqrt(I_2^2 - I_1^2) ` &#xA0;  
` ` ` I_e= \sqrt(I_2^2 - I_1^2) ` ` ` &#x20;
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(c) 2008 Wm.C.Corwin ... details ... tools ... issues ...