Calculus`FourierTransform`
The symbolic functions in Calculus`FourierTransform` have been added to the built-in Mathematica kernel.
The numerical functionality in Calculus`FourierTransform` is now available through the newly created Fourier Series Package.
To access functionality from the new Fourier Series Package, load FourierSeries`:
Version 5.2
In[9]:=9
✖
https://wolfram.com/xid/0tem5s0v875gjh3u4dat8wwi-25t1vm
This gives a numerical approximation to the Fourier transform of Exp(-t2)/(1+t) with respect to at :
Version 5.2
In[3]:=3
✖
https://wolfram.com/xid/0tem5s0v875gjh3u4dat8wwi-brt6zf
Out[3]=3