Mark, I never bothered to look at your sheet at a whole or to consider what you trying to calculate and how. I just looked at an odesolve block which didn't work or an integral which supposedly yields wrong units and attempted to find the reason for it in terms of math and Mathcad. In both cases in some way the cause was wrong usage of units. Being able to use units in calculations is a great plus of Mathcad and doing so can show us pretty soon in the calculation steps that we have an error. Thats the reason I was suspicious and doubted the correctness of the used formulas when we began to mess aoround adding units here and there just to make the whole calculation work in Mathcad on an abstract level.
As a first step the math model of the problem to be solved has to be correct, then we can try to use Mathcad as a tool to deal with the math. Only adding units and using different variables just because this makes Mathcads unit consistency check happy simply made me a bad feeling and was the only reasons I doubted the results. So I suggested to go back to the beginning and check the math model again for plausibilty.
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