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Fibonacci Numbers and the Fibonacci Spiral

This is one applet for constructing Fibonacci Squares and the Fibonacci spiral. The Fibonacci spiral is made up of quarter-circular arcs whose radii are consecutive Fibonacci numbers. You can read detailed instructions under the applet, short instructions at the left side of the applet, or see video instructions by following the link below. The order of steps is important. Video Instructions: http://screencast.com/t/0Czgk3OU2o