Unit Calc / Conversion only in HP?

[Alvaro]

I just found in one of my technical books a Unit conversion mistake. It says that 1bar=10N/m2. That is worng. The 50g give the right answer 10N/m2= 0.0001bar.
There was surely a typing error, it should be 1bar=10N/cm^2. This demonstartes how dangerous the Units conversion could be and how quick it happens.

So, again a Calculator that not provide Unit Conversion / Calculation is excluded from my choices.