Not sure you remember this from junior hight? ;-)
https://plus.google.com/+DrgeoEu/posts/E5GvDBvZcmwThe next step: to show how Pharo let you (user) easily integrate this
script as a system extension. So students can play with cobweb diagram
with a two lines script.
Hilaire
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Dr. Geo
http://drgeo.euhttp://google.com/+DrgeoEu
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