For Exponents:

   for N2                    Type in N*N

   for               Type in = N ^ 0.5

   for  N3                   Type in N ^ 3

   for              Type in  N ^ 0.333

Round your result to the nearest whole number.
Example: 2.99999 = 3
by Koen de Vries                     Java Boutique

N means the number that
you are working with. 

 
Press Reset after each calculation