> R (the open-source statistical programming language) now has a package called Shiny (go to www.rstudio.com) which lets you wrap R functions into applets. Obviously MATLAB has functionality that R doesn't have (and vice versa), but that could be another alternative if R would work for your needs and if you can spend the time learning it.
Thanks for this. Too late for me I am afraid, after having built a large library of routines with MATLAB over the last twenty years and having written two textbooks about it. I will check out about Shiny, however, to see what others do. I am sure The MathWorks will come up with something some time.