Disliked{quote} arcs, as well as any geometric figure, you will never be able to draw them if you don't first scale your graph because the moment you zoom, the geometric figure changes and distortsIgnored
However, I recently found this:
Attached File(s)
It draws a circle which doesn't change with the chart scale.
.ex4/.ex5 files can't be fixed or modified / I'm not a coder!