The units were an after-thought, and I had already used 'm' in my calculations to represent mass. In any case, what you have written works well, but it doesn't hold if 'm' has a subscript. Do you know of any way to have maple differentiate between the two? Thanks!

The units were an after-thought, and I had already used 'm' in my calculations to represent mass. In any case, what you have written works well, but it doesn't hold if 'm' has a subscript. Do you know of any way to have maple differentiate between the two? Thanks!