Readme and .exe are in legal.zip. I've updated the expired version with a working copy. Written for production CAD work. Especially useful if you're not using a tablet. A couple HP48 surveying utilities.
CC takes station and offset of two points from a CL curve and returns dist.
Comes in handy. If you download, email me for complete instructions. Some very interesting looking freebies including a description writer that runs within AutoCad. A mountain of CAD shareware. A shareware cogo program.