Geometry for Beginners. By G. M. Minchin Pp. xii + 102. (Oxford: at the Clarendon Press, 1898.) Euclid's Elements of Geometry, Books I. and II. Edited for the use of Schools, by Charles Smith ...

The regular convex polyhedra are the five Platonic solids, which have been known since classical Greece. The ancient Greek mathematician Euclid proved in his Elements of Geometry that there are only ...

Does scale matter when communicating spatial data and design? Absolutely—but there's more to it than just a ratio between map distance and real-world distance. Scale is critical for ...