Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
I
n
v
e
r
s
e
F
o
u
r
i
e
r
T
r
a
n
s
f
o
r
m
2
π
δ
ω
Math Input
Natural Language
Math Input
