THE portions of the title-pages we have above given sufficiently indicate the scope of the two works under review and the measure of acceptance they have met with. As we have already given an account ...

It’s no wonder that farmers with fields in the plains surrounding Stonehenge, in southern England, face late-summer mornings with dread. On any given day at the height of the growing season, as many ...

Geometry without words An A2 sized poster with 15 theorems of secondary-school geometry displayed visually in color, but without words. It should be easier for students to see a color diagram than to ...

Some Cuis (Smalltalk-80) https://cuis.st DrGeo sketches for "Problems in Plane Geometry" Collection of various problems by Igor Fedorovich Sharygin (USSR) Some problems from mathematical olympiads or ...