Math History

John Golden, May 20, 2014

Illustration of results and ideas that explicitly come from math history.


  • 1. Cyclic Quadrilaterals in India
  • 2. Stomachion
  • 3. ArchimedesTwinCircles
  • 4. Euclid's Construction Exercises (Book I)
  • 5. Euclid's Construction Exercises (Book I)
  • 6. Elements, Book I, Proposition 47
  • 7. Elements Book I, Proposition 26
  • 8. Approximating Pi
  • 9. Thales' Theorem
  • 10. Brahmagupta's Theorem
  • 11. A Cubic Solution of Omar Khayyam
  • 12. Omar Khayyam's approach to solving certain cubic equations
  • 13. al-Khwarizmi: xx+bx=c
  • 14. Qarawiyyin Mosque
  • 15. Concoide de Nicomedes. Trisecció de l'angle
  • 16. Alhazen's Circular Mirror
  • 17. Cubic Formula, Two Ways
  • 18. Ptolemy's Theorem

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Cyclic Quadrilaterals in India

Two great classical results from Brahmagupta and Mahavira.

More GeoGebra at [url]mathhombre.blogspot.com/p/geogebra.html[/url]
– John Golden

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