Question: How come i can't create variables or functions with multiple SI Units

I've tried alot, but nothing seems to work. The problem occurres whenever im trying to use multiple SI Units in caculations that require division. Example:

"`E__n`:=n->-6.63*10^(-34)⟦J⟧*⟦s⟧*3*10^(8)*⟦m⟧/(⟦s⟧)*1.097*10^(7)⟦m⟧^(-1)*1/(n^(2)):"

Error, null

Parse:-ConvertTo1D, "invalid input %1", 3

 

""

"eV:=x->x/(1.602*10^(-19)⟦J⟧/(⟦eV⟧))"

Error, null

Parse:-ConvertTo1D, "invalid input %1", 6

 

``


 

Download Maple_prob1.mw

 

 

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