+ ** + + ** + + ** + so farso good + ** overflowerror( 'numerical result out of range'too big if we accept that our answers are now only approximate we can keep squaring the " -numberrepresentation of scientific notation is accepted on input by python when we come to square thoughwe hit another issuethis one fatal we get an "overflow errorthis means we have tried to create floating point number larger than python can cope with under some circumstances the "too bigproblem gives rise to sort-of-number called "inf(standing for "infinity"