) but can be a pain to use because it doesn't remember the equation in the editor.It would be really useful if it kept these variables in between closing the dialogue and reopening it - so many times now I've been tinkering for the right curve and have gone back to tweak a parameter only to forget the formula and ultimately lose everything.
This is made doubly worse for the fact that the dialogue box disappears when you click anywhere away from it - you write an expression then change a parameter in another part of the GUI and it's all gone and have to start again.
