Two graphical bugs

[fabifgon]

Hi,

I found a couple of bugs:

#1) (Only mac version) When I enter the number '4', it appears a little line down the number, like this:


#2) (On both mac and iPhone versions) When I plot a function like 'Plot(PolyGamma(1,x),x=[-10,10],y=[0,20])', and I move up, happens this:


Thanks!

[fabifgon]

I just saw a new graphical bug plotting '\theta/\phi' (only mac version):

screenshot.png (61.49 KiB) Viewed 195 times

Thanks!