Equations (and sometimes graphs) disappear
I've been working with the 3D grapher this morning, and I've noticed that the equations (in the algebra view) sometimes vanish. This is a screenshot of an instance when I typed in something Geogebra didn't like:
The application obviously still knows what equations I entered, as the graph remains, but I can"t get the algebra view to return the equations themselves. Tried saving, quitting, and reopening, to no effect.
A couple other buggy issues have also occurred. There have been times when I've deleted one equation, and the entire graph goes blank. I quit and just started over at that time, since I figured I'd just done something wonky, but it would appear something's amiss with the graphing utility as a whole.