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Hi,

In response to Harald's and Michael's (very enlightening!) posts, I
want to say a few words about educational use of Sage, from a slightly
different point of view.

I'm teaching mathematics at Colby College, a four-year liberal arts
undergraduate-only institution.  It is small (1800 students) and most
of the students can definitely afford to buy whatever software they
feel like or think they need.  So far, my efforts of getting them
exposed to Sage have been limited to showing them live in-class
examples of graphing and computations in the notebook, and setting up
a worksheet in which they could play with Taylor series, again via the
notebook running on my desktop computer.  In the spring I will teach
differential equations, and I want to make much more extensive use of
Sage, and get the students to use it as well.

For this I will have to run a notebook on my computer for the whole
semester and have them use it remotely.  Why is this the only option?
For one thing, the mathematics department does not have a computer
lab, and there are very few college-wide labs.  I do not have the
authority to install software on these, and our IT services do not
support Linux.  Most students have their own laptops, but they of
course do not run Linux either.  Since there is no institutional
support for it, I can only *encourage* them to install Linux; if I
require it, I automatically become the Linux support person, and I do
have better things to do.  The upshot is that these students will only
use Sage remotely via the notebook and most of them will not install
it locally, which means that they will not become part of the
community (and contribute!)

So even though I have not used Windows in more than 10 years, I am in
favor of making it easier for Windows users to install, run, play
with, break, fix, and help out with Sage, and I do not think that time
spent on porting Sage to Windows is wasted.

Increasing the number of serious users, even if they're Windows-bound,
means having more people who can test code, write documentation, come
up with nice examples and pretty screenshots, and all the other things
that we agree are desirable.  If we keep relying on the developers to
do all this stuff, they'll have no time for implementing new features
and debugging the existing ones.

Alex


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