EIGHT years ago the writer of this review, when publishing a small book on geometry for the use of pupils of eight or nine years of age, was assured by many friends that the attempt to get rid of ...

THIS book covers the ground of the first six books and those parts of the eleventh and twelfth books of Euclid which are usually read; and it includes besides a discussion of the elementary properties ...

All human beings may have the ability to understand elementary geometry, independently of their culture or their level of education. In a spherical universe, researchers found that Amazonian Indians ...