An Illustrated Theory of Numbers gives a comprehensive introduction to number theory, with complete proofs, worked examples, and exercises. Its …
Modem mathematics is couched in the language and steeped in the theory of sets. Sets are the heart and soul …
Analysis with Ultrasmall Numbers presents an intuitive treatment of mathematics using ultrasmall numbers. With this modern approach to infinitesimals, proofs …
This is a textbook for pre-service elementary school teachers and for current teachers who are taking professional development courses. By …
