Last update: Sept 04, 2016
Update history summary
Recent updated topicsAdded Origami_note directory. The following 3 sub-directories are also added. eboc East Bay Origami Convention notes e.g. eboc_2016.html pcoc Pacific Coast Origami Convention notes (under construction) newyork Origami-USA annual convention in New York related notes (under construction) Added Polygonal Mandala EBOC 2016 class note Modified Polygonal Knots Section modified for OrigamiUSA readers Added Tape Weaving reference to Polygonal Knots Added Onecut Origami Section Added How to draw heart shape Section Added Fractal,Chaos Coloring Book Section
What is this site ?This site offers many popular math topics with animations for easier visual understanding. These animations are created using customizing feature of the industry standard CAD software called AutoCAD. All the contents of this site (GIF animation file, JPG image file, DWG(2004 format) drawing file, and AutoLisp program files) can be downloaded free .
This web site is maintained in order to record the author's on-going efforts.
How to use this site:
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All comments/suggestions should be sent to Takaya Iwamoto
Copyright 2006 Takaya Iwamoto All rights reserved.