What Is Mathematics?: an Elementary Approach to Ideas and Methods
by Herbert Robbins Richard Courant (Ian Stewart), Richard Courant, Courant Institute of Mathematical Sciences Richard Courant, Herbert Robbins, Ian Stewart, Herbert (Professor of Mathematics Robbins, Professor of Mathematics Rutgers University), Professor of Mathematics Herbert Robbins
Category: Mathematics

A discussion of fundamental mathematical principles from algebra to elementary calculus designed to promote constructive mathematical reasoning.