My Calculator 1.0

Need Small Calculator. You can use My Calculator. This Calculator is come with 10 features
1.Easy Plus(2+3=5)
2.Easy Minus(3-2=1)
3.Easy Times(3x3=9)
4.Easy Division(4:2=2)
5.With Double Support(4,5 + 4,5=9)
6.Root Square(9x9=81)
7.Root Cubes(9x9x9=729)
8.Square Root(25=5)
9.Error Detection
10.Offline Tutorial

You can download here+Tutorial http://www.datafilehost.com/d/752f42f2

Please comment if you meet trouble when you use this