Hello,
There were some changes in graphs as well as in the v0.90 (including the animation feature). I suppose that some unintentional bugs have introduced this way. My advice is (until the new SMath release) is to use F9 (recalculate) when rescaling graphs. Sometimes after rescaling and until you do not press F9, graph is not correct. Actually, after using CTRL, SHIFT+Mouse-Wheel use F9 more often, and after subsequent rescaling do not forget to press F9 at the end before saving the file.
Regards,
Radovan
When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"