Prof. Stein's earlier post that had appeared here on HN (http://wstein.org/mathsoftbio/history.pdf http://wstein.org/mathsoftbio/history.pdf) is enormously abso

Prof. Stein's earlier post that had appeared here on HN (http://wstein.org/mathsoftbio/history.pdf http://wstein.org/mathsoftbio/history.pdf) is enormously absorbing reading also. It has much more to tell about the significant challenges that stand in the way of developing high quality open source math software.