Some time ago (not in this century) I took plane geometry, not directly from Euclid. My teacher was Miss Helland, a wonderful teacher who also taught me solid geometry, and had the courage to take me ...

If you're a regular, or even a casual, traveler, you've heard the saying: If you see something, say something. A product of the post-9/11 world, it's the adage used to encourage airline passengers to ...

(1) MANY attempts are now being made to formulate a system of geometry suitable to the immature minds of schoolboys, which will on one hand develop their reasoning faculties by some kind of logical ...