Compute channel from computed channel

[Seaeo]

All is in the title. The idea is to be able to use computed channels as inpuit of computed channels.

As for lots of engineer data anlaysis tool. I think a good concept would be that the cimputed channels are defined not in a plot but in the channel list with a section dedicated to computation. Then you can use the same computation in different windows and for another computed channel.

I am quite new in git hub. So, please tell me If I should put this post in Pull request rather than in Idea