Does anyone out there throw together rough tools to solve eccentric problems that drive you nuts?

I run into problems with point data occasionally and it's hard to find a solution for using the data, when I can only view the problem in messy code format.
This sometimes leaves me wondering if the function I'm writing is even working correctly or not.
 
The example below is a rough tool I made to visualize and edit the Array format of points I usually work with. Over time I have transformed, gutted, and replace its code for different tests I needed it for. (The insides are not pretty.)
Yep it looks like a drawing tool, just not intended for that. I've only added certain "drawing" features I needed to make it easy to visualize the data I'm working on.

I was wanting a lightweight function to resize, rotate, and skew DisplayObjects based on a dynamic registration point so I made a function to apply my desired matrix settings.

One thing that bothers me is that I could not figure out how to skew along the X and Y axis at the same time. When I do set "c" and "b" Matrix properties, one of the skewed axis does not skew parallel like it should. And if I concatenate separate skew Matrices, the last concatenated skew Matrix transforms correctly but not the one before it. I'm trying to avoid using nested DisplayObjects to perform the separate X and Y skews, but that looks like an option I will have to use.

Here is an ActionScript 3 function that will return intersection information between a segment and circle.
It's useful to me to know if a segment is partially intersecting with a circle or going completely through.

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