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^(-2/5) = Cos [ Fib (12 41) - 180 ]° + i Sin [ Fib (12 46) - 180 ]°
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random