Review based on:

personal experience

Appropriate for:

advanced investigations

Other Comments:

This commentary on Euclid's Elements provides a great resource for reflective thinking about the meanings, definitions, and ways of visualizing the world. As I teach Geometry (for the first time) in the coming year, I anticipate journal assignments or classroom discussions about the materials contained in this site (and the related ones--one for each Element).

What math does one need to know to use the resource?

None, but a knowledge of current geometrical concepts and ideas is helpful.

What hardware expertise does one need to learn to use the resource?

None.

What extra things must be done to make it work?

Nothing.

How hard was it for you to learn?

Very Easy

Explanation:

Nothing to learn...

Ability to meet my goals:

Very Effective

Recommended for:

Geometry: History of geometry, Points and lines