Hình học Euclid

Euclide

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• Điểm
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• Hình học phi Euclide
• Euclide

Liên kết ngoài

Tiếng Anh:

• Kiran Kedlaya, Geometry Unbound (a treatment using analytic geometry; PDF format, GFDL licensed)
• Geometry at cut-the-knot (a collection of geometry problems, HTML with Java applets)
• Geometry Step by Step from the Land of the Incas by Antonio Gutierrez (flash required)
• Geometry lessons in PowerPoint
• The Elements online
  • A bilingual edition (typset in PDF format, with the original Greek and an English translation on facing pages; free in PDF form, available in print)
  • In English (HTML, with the figures in the form of Java applets that the user can manipulate)
  • Heath's translation (HTML, without the figures, public domain)
  • In ancient Greek (typeset in PDF format, public domain)
  • Oliver Byrne's 1847 edition - an unusual version using color rather than labels such as ABC (scanned page images, public domain)
  • Reading Euclid - a course in how to read Euclid in the original Greek, with English translations and commentaries (HTML with figures)