User Portlet User Portlet

Discussions
UnitConvert[Quantity[Pi/2 + Pi/4, "Radians"], Quantity["Degrees"]]
A minor correction; non-integer powers are acceptable, but only if they're Real or Rational: In[21]:= QuantityQ[Quantity[3, "Meters"^(2/3)]] Out[21]= True In[22]:= QuantityQ[Quantity[3, "Meters"^(2.3)]] Out[22]= True ...
Syntax clumsy but at least the formula is built-in. a = Quantity[4*10^14, "Hz"]; b = Quantity[273, "Kelvin"]; FormulaData[{"PlanckRadiationLaw", "Frequency"}, {QuantityVariable["\[Nu]","Frequency"] -> a, ...