Find Algebraic Number Approximants
Mathematica 6 can find closest algebraic number approximations—here of degree 4 for 
.
.
In[1]:=  |  RootApproximant[N[\[ExponentialE]^\[Pi], 18], 4] // ToRadicals // TraditionalForm |
Out[1]//TraditionalForm= | |
|  |
| New in Wolfram Mathematica 6: Extended Number Theory Support | ◄ previous | next ► |
.In[1]:= | RootApproximant[N[\[ExponentialE]^\[Pi], 18], 4] // ToRadicals // TraditionalForm |
Out[1]//TraditionalForm= | |
| |