With over 6,000 entries, this comprehensive handbook continues to provide essential formulas, tables, figures, and descriptions, including many diagrams, group tables, and integrals not available online. Along with a new chapter on mathematical formulae from the sciences, the latest edition includes new material on contingency tables, estimators, process capability, runs test, sample sizes, cellular automata, knot theory, music, quaternions, and rational trigonometry. It also offers updated and more streamlined tables while retaining the successful format of previous editions. Material is presented in a multisectional format, with each section containing a valuable collection of fundamental reference material.