This is the re-compiled version of starPad in .NET 4.5.
The original work can be found from the link below: http://pen.cs.brown.edu/starpad.html
Limitation: It depends on old Microsoft Ink API.
If you use this package, please cite the work below:
@inproceedings{zeleznik2008mathpaper, title={MathPaper: Mathematical sketching with fluid support for interactive computation}, author={Zeleznik, Robert and Miller, Timothy and Li, Chuanjun and Laviola Jr, Joseph J}, booktitle={Smart Graphics}, pages={20--32}, year={2008}, organization={Springer} }