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Mathematica Packages

Remove the units from Physical Constants Package

Posted 10 years ago

In Physical Constants Package (I know it's obsolete now, still handy) when I call a constant and do some manipulations I am left with something that has units attached to it. How can I remove this units part leaving just the number? Thanks.

POSTED BY: Al Guy

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Posted 10 years ago

The best choice to do what you want is by using the functions Quantity, UnitConvert and QuantityMagnitude. UnitConvert@Quantity["ProtonMass"] QuantityMagnitude@% If you do not want or cannot use them for some reason, one possible way to get the numerical value from the measurement is by using Part or First. Off[General::obspkg] << PhysicalConstants` ProtonMass %[[1]] %% // First

POSTED BY: Anderson Coser Gaudio

Posted 10 years ago

Thanks, that works.

POSTED BY: Al Guy

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