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.
χ
=
5
0
0
0
0
0
log
8
1
9
2
2
*
π
1
6
3
8
4
2
*
π
Math Input
Natural Language
Math Input