Thank you! Glad you liked it! There are a few demos at the bottom of the help screen, which can be invoked by typing '?'.

You are right that that they could be better linked directly from the main interface.

In any case, here are the direct links to the demos available in the help screen:

https://susam.net/fxyt.html#XYxTN1srN255pTN1sqD

https://susam.net/fxyt.html#XYaTN1srN255pTN1sqN0

https://susam.net/fxyt.html#XYoTN1srN255pTN1sqDN0S

https://susam.net/fxyt.html#XYpTN1srN255pTN1sqD

https://susam.net/fxyt.html#XYN256sTdrD

Community demos are available here:

https://susam.github.io/fxyt/demo.html