Graphing widget - asymptotes for logarithmic & exponential functions

You all might be aware of this already, but since I just discovered it and I could not find it through searching I decided to share it here.

I've been super frustrated with trying to graph logarithmic and exponential functions that have asymptotes that aren't on the x- or y- axis. Every time I tried to plot the two points on opposite sides of the axis, the graph would flip and move one of the points.

But then I somehow discovered that if you click on the axis, it changed color! I tried dragging it, and amazingly it created the asymptote where I needed it to be!

I wish there was a tutorial on how to use the graphing widget that I could have watched before I ever started trying to use it - it would have saved me much frustration and "wrong" answers.

FYI