root with 'n' non-integer: D=S^n?

To all,

A really stupid question but one I need to ask

I have the equation D=S^b where is a non-integer (ie a real). Mathcad does not have a function to return S if D and b are known?

Thanks

Regards

JXB

23-Emerald V

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23-Emerald V

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16-Pearl

Thanks. I do know why put in my head that there was a pre-defined function!! Must have confused with something else. (Otherwise I can write S=D^(1/b)

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