Missing Element in EVM

HI,


Any tips and tricks to find missing element in EVM calucation. I mean how to predict the correct formula to find the missing element.


Thnks

based on the given and manipulate or derive formula using the theories of Algebra :-)

Follow this link for formula and illustration: http://www.pmptrend.com/index.php/en/forum/11-Questions-Answers-Queries-Infos-Etc/139-EVM---Earned-Value-Management-FormulaIllustration#139