EquationSymbolicSolveRequest[List[Equal[μ,Product[PI,ConstE]]],List[μ]]Solution[{μ,ExpressionSetPoint[Product[ConstE,PI],False,ReservedComplex],8.5397342226736}]WorksheetAssign[μ,Product[PI,ConstE]]Product[ConstE,PI]8.5397342226736Assign[μ,Product[ConstE,PI]]