Posted by richard on Wednesday, September 10, 2008 at 2:41pm.
Check this website and then give your problem a try.
What is 3.14 plus 1.15 x 7.14-2.21=?
the answer is 28.4206
what is range. mode. median. mean
whether a sum of numbers such as 127 + 38 is even or odd?
what the answer for 4^2