Inverse

t
{
    import quantities.si;

    static assert(is(Inverse!Time == Frequency));
    static assert(is(Product!(Power, Time) == Energy));
    static assert(is(Quotient!(Length, Time) == Speed));
    static assert(is(Square!Length == Area));
    static assert(is(Cubic!Length == Volume));
    static assert(AreConsistent!(Product!(Inverse!Time, Length), Speed)