NumberQ
NumberQ(expr)returns
Trueifexpris an explicit number, andFalseotherwise.
Examples
>> NumberQ(3+I)True
>> NumberQ(5!)True
>> NumberQ(Pi)FalseNumberQ(expr)returns
Trueifexpris an explicit number, andFalseotherwise.
>> NumberQ(3+I)True
>> NumberQ(5!)True
>> NumberQ(Pi)False