Cut the Knot
January 6, 2004 8:24 AM   Subscribe

Cut the Knot. Interactive mathematics miscellany and puzzles.
posted by plep (7 comments total)
Cut the knot? What am I - Alexander or somebody? Hey, look - I'm not your guy. I'm just some kid from the neighborhood.
posted by troutfishing at 8:45 AM on January 6, 2004

Yes, this is good, and fun. I'm playing with the analog devices, and planning to check out much more. Thanks, plep!
posted by carter at 9:11 AM on January 6, 2004

I love stuff like this.

[this is great] - thx, plep!
posted by widdershins at 9:17 AM on January 6, 2004

great link plep, and thanks for pointing out the Free vs. Pedantic Thinking essay trharlan - I love this kind of stuff.
posted by soplerfo at 9:17 AM on January 6, 2004

Good post, plep. I have used CTK for many math lesson plans (I am working on my CA teaching credential). It also has 41 proofs of the Pythagorean Theorem, including one by President Garfield in 1876. The Math Forum from Drexel University is another good site.
posted by msacheson at 9:47 AM on January 6, 2004

wow, thanks plep!!!
posted by notsnot at 12:24 PM on January 6, 2004

The links page at (itself a regular site i visit) is worth a look if you like this sort of stuff.
posted by vacapinta at 12:39 PM on January 6, 2004

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