Love the slider bars. They really show how the graph changes for each parameter. Checked against a few quadratics and it appears to be working fine.
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
Woah that is cool!!
I would love you if you created a function grapher, you know, graphing y=x y=e^x .....