This 94th Edition is an update of a classic reference, mirroring the growth and direction of science for a century. The Handbook continues to be the most accessed and respected scientific reference in the world. An authoritative resource consisting of tables of data, its usefulness spans every discipline. New tables have been added and others updated, including the mathematical tables in Appendix A. Available in traditional print format and as an ebook, this reference puts physical formulas and mathematical tables used in labs every day within easy reach.