On 7/27/10 9:36 AM, Lauri Ruotsalainen wrote:
Hi Sage community!
I'm writing my master's thesis on on the usage of Sage in high school
level mathematics. As a part of the project I've programmed various
interactive applications and other examples which can be used in
teaching and learning environment.
I'm very grateful to the community of Sage for producing such a
versatile and valuable program that can be applied in education (in
addition to its other uses). I want to thank you by contributing some
of my work here in hope that it would benefit other teachers utilizing
Sage in their classes and to advance the use of Sage in education.
This is amazing! Thank you! I am very impressed with the quality of
these worksheets!
It sounds like you are releasing your work listed below to be modified
and freely copied by others? May I suggest that you add a license
statement so that it is clear how one may use what you have contributed?
For one, I would love to see some or all of your examples below as
part of Sage's interact library. Personally, it sounds like
CC-by: http://creativecommons.org/licenses/by/3.0/
might fit the uses you describe above and let us include the code in
Sage. Another option that would let people use your examples widely and
also let us include the code in Sage is to dual-license your examples as
(at the user's choice):
GPL version 2 or greater: (this ensures that we can include the code in
Sage itself)
or
CC-by-sa: http://creativecommons.org/licenses/by-sa/3.0/ (one of the
main differences between this license and the CC-by license above is
that if a person modifies your code and distributes the result, they
have to distribute it also with CC-by-sa, ensuring that their
modifications remain freely available for people to use. With CC-by,
people can use your work in any way they wish, as long as they credit
you properly (of course, they can't use it defame you or anything like
that))
In all of the three licenses above, you would be credited with your
work. If you'd like to license using CC-by, it would be sufficient to
include this on each page, probably using the html command in a cell:
html("""<a rel="license"
href="http://creativecommons.org/licenses/by/3.0/";><img alt="Creative
Commons License" style="border-width:0"
src="http://i.creativecommons.org/l/by/3.0/88x31.png"; /></a><br />This
work by <a xmlns:cc="http://creativecommons.org/ns#";
href="http://www.sagenb.org/home/pub/2305/";
property="cc:attributionName" rel="cc:attributionURL">Lauri
Ruotsalainen</a> is licensed under a <a rel="license"
href="http://creativecommons.org/licenses/by/3.0/";>Creative Commons
Attribution 3.0 Unported License</a>.""")
It is also easy to use one of the other licenses. You can email for
details if you'd like to use one of the other licenses, or if you'd like
to use another license of your choice.
Again, your work is amazing!
Thanks,
Jason
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![http://i.creativecommons.org/l/by/3.0/88x31.png"](http://i.creativecommons.org/l/by/3.0/88x31.png"){kind=link}