1) The graph scales up if you have really high research, but if you decrease your research the graph still stays the same, instead of scaling down to smaller numbers.
2) It is impossible to insert negative values, what if one of my researchers leaves to lead some armies?
3) Only the first 12 turns? If I would've done it I would've made it dynamic
(Then again, I wouldn't do it in Flash, nor do I know anything about programming in flash)