I am sorry the example i posted doesnt really show my problem, when i run that code it works exactly as it should. heres a copy of my actua problem. I will also attach the maple file.                

Download UnitProblem.mw

The pundforce unit (lb) is eliminated and only ft remains... but instead of ft^4 i am getting the ft^2 S^2

I am sorry the example i posted doesnt really show my problem, when i run that code it works exactly as it should. heres a copy of my actua problem. I will also attach the maple file.                

Download UnitProblem.mw

The pundforce unit (lb) is eliminated and only ft remains... but instead of ft^4 i am getting the ft^2 S^2