Euclid, "The Elements," Books I-IV
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Euclid, "The Elements," Books I-IV


Euclid, "The Elements," Books I-IV

Logo for Euclid,
A clear, graphical walk-through of Euclid's "Elements", books I-IV. The site also includes explanations of the Postulates, Definitions, and Common Notions. It is based on Heath's translation of Euclid.
Material Type: Animation
Date Added to MERLOT: October 10, 2007
Date Modified in MERLOT: October 10, 2007
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  • Reviewed by members of Editorial board for inclusion in MERLOT.
    Editor Review
    Very good quality; in queue to be peer reviewed
    avg: 5 rating
  • User review 5 average rating
  • User Rating: 5 user rating
  • Discussion (1 Comment)
  • Learning Exercises (none)
  • Personal Collections (none)
  • Accessibility Info (none)


Primary Audience: High School, College General Ed, College Lower Division, College Upper Division
Mobile Compatibility: Not specified at this time
Language: English
Cost Involved: no
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: unsure


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Discussion for Euclid, "The Elements," Books I-IV

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Avatar for William McGrath
7 years ago

William McGrath (Student)

This site is fantastic. The main pull is the graphical walk-through of each Proposition in Book I of Euclid's "Elements." The most confusing proofs and constructions are laid out in a clear, step-by-step approach, with each new piece of the proof being added to the diagram through simple animation. Books II, III, and IV are also present. The only drawback is the lack of material after Book IV.

Technical Remarks:

Almost too easy to use.
Used in course