co-dfns Co-dfns 2017 Report Aaron W. Hsu I'm an Orthodox Christian; I believe in the beauty of the careful, considered thought. Computing and education are two of my passions. I'm changing the way people think about computing. More posts by Aaron W. Hsu. Aaron W. Hsu 21 Sep 2017 • 1 min read A great deal of work has gone into this year to improve and expand the capabilities of Co-dfns. The following presentation describes these updates in brief. Co-dfns 2017 Presentation at Dyalog '17 You can find the video recording of this presentation at Dyalog TV.