Results in mathcad prime 9 not as expected

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@MP_10403367 wrote:

here is the file

 

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And here is the culprit:

Whenever you typed "m" below of this definition, Prime assumed that you mean it to be that very mass variable, while you assumed it to be the unit meter.

When you defined

you actually wanted m to be the mass variable you defined, but when you defined

you intended m to be the unit meter while Prime still assumed the mass variable and this caused the problem

Two ways to solve that problem:

1) Manually re-label ever occurrence of "m" which should be interpreted as meter manually as "unit"

2) Chose another name for that mass variable and don't forget to use that very name in later calculations where the mass is meant to be used.

I would go for option 2)