Walter Bender wrote:
In Etoys it is pretty straight forward to make this script, look at attached picture.=== Sugar Digest ===1. Trisecting angles: The French mathematician Évariste Galois published three papers in 1830 that laid the foundations of an algebraic proof of why is it not possible to trisect *every* angle in a compass and straightedge construction, something the Ancient Greeks knew, but could not prove. However, what is often overlooked is that the Greeks could trisect angles, using a different set set of instruments. What does this history lesson have to do with Sugar Labs? Two separate but related discussions have dominated the OLPC-Sur list this past week: the Microsoft announcement regarding a Windows XP pilot in Peru and the lack of a square root function in Turtle Art, both of which can be seen through the lens of abstract algebra—apologies in advance for overreaching with this analogy. Let me summarize the Turtle Art discussion first. Some teachers in Uruguay are teaching the Pythagorean Theorem and were stymied by the lack of a square root function in Turtle Art. They wanted to demonstrate that the length of the diagonal of a square is equal to the square root of the sum of the square of each side. In psuedocode, they wanted to build the following construct: repeat 4 (forward 100 right 90) right 45 forward sqrt ((100*100) + (100*100))
Karl
<<inline: Script Editor.jpeg>>
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