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 ...

THIS is a good elementary text-book, founded on the work by M. E. Lagout (“Takimetry”), which we have already noticed (NATURE, vol. xvi. p. 226). The ground covered by the work before us is not quite ...

Mathematics is a subject which cannot be simply memorized but requires skills and proper understanding to learn the subject. A good practice of different problems can help to strengthen the concepts.