By folding the paper from one corner of the paper to the pencil point which sticks to the paper making a dot on it. Then, draw a line on the back of the paper from the dot, and then turn the pencil passing from the back to the front of the paper. Now, on the front, you can draw a circle without touching the original dot.

written on April 19, 2009

[Recurring Pattern] [Relation with the Magic Square] [Create a Magic Square by Excel] [Magic Circle = Magic Polyhedron ?]

[6-dimensional Magic Cube] [Create Magic Circle] [Something Other Than Mathematics (in Big5)] [Home]