THIS text-book of modern projective geometry forms an admirable introduction to the subject, and should be known to all who are interested in this branch of mathematics. The first chapter deals with ...

THESE are Nos. 3, 4, and 5 of the Cambridge Tracts in Mathematics and Mathematical Physics, which are intended to help students by providing them with brief and readable introductions to mathematical ...

The use of the overhead projector (OP) as a teaching aid has spread very rapidly and widely and is recommended by educators, but its effectiveness in general and in specific subjects has not been ...