Cylindrical and spherical coordinates, double and triple integrals, line and surface integrals. Change of variables in multiple integrals; gradient, divergence, and ...

THIS “Introduction to Vector-methods and their Various Applications to Physics and Mathematics” is an exposition of the late Willard Gibbs' vector analysis. The author in his preface warns us that “no ...

The "millennium problems," have resisted solving for decades. The mind-numbing challenges are important and famous enough among experts that a $1 million reward has been offered for each correct ...