Vector calculus is the fundamental language of mathematical physics。It provides a way to describe physical quantities in three-dimensional space and the way in which these quantities vary。Many topics
During the latter part of the seventeenth century the new mathe-matical analysis emerged as the dominating force in mathematics.It is characterized by the amazingly successful operation with infinite
Paul Erdos liked to talk about The Book，in which God maintainsthe perfect proofs for mathematical theorems， following the dictumof G. H. Hardy that there is no permanent place for uglymathematics. Erd
The present English edition is not a mere translation of the German original. Many new problems have been added and there are also other changes, mostly minor. Yet all the alterations amount to less t
