NumberQ
NumberQ(expr)
returns
True
ifexpr
is an explicit number, andFalse
otherwise.
Examples
>> NumberQ(3+I)True
>> NumberQ(5!)True
>> NumberQ(Pi)False
NumberQ(expr)
returns
True
ifexpr
is an explicit number, andFalse
otherwise.
>> NumberQ(3+I)True
>> NumberQ(5!)True
>> NumberQ(Pi)False