Pentagon.ppt
A file containing discussion of how the Pythagoreans might have stumbled on irrationals while investigating properties
of pentagrams and pentagrams. Also some discussion of some properties of the golden ratio. This one is designed
mostly for use with a narration to go with it.
Pentagon2.ppt
Same as previous, but with more of the discussion contained in the presentation itself.
Golden.ppt
This one has more information on constructions of the golden ratio and some geometric properties.
Golden2.ppt
Same as previous with more discussion contained within the presentation itself.
Phi.ppt
More discussion of the relation of the Fibonancci sequence and the golden ratio. Aimed at an audience that has had
linear algebra, although much is accessible to a less mature audience as well. (This one is still a work in
progress.)