Originally Posted By: paul
your right , Im sorry I was so wrong...

4 ft^4 is only 256 ft^4

The program doesn't give that result.
Did you cut-n-paste your expressions into the web page?
What were the answers?


Originally Posted By: paul

sqr (4) * sqr(4) = 4

Correct.

The functional notation sqr() is not standard and is therefore ambiguous. Sometimes it means square root and some times it means square. However, Wolfram uses it to mean square root ... and will give the answer you expect.

Do you think *I* programmed Wolfram Alpha?