这是一本较新的为理工科本科水平的读者写的工具书(pdf)。 Chapter 1.Elementary Algebra and Geometry Chapter 2.Determinants, Matrices,and Linear Systems of Equations Chapter 3.Trigonometry Chapter 4.Analytic Geometry Chapter 5.Series, Number Facts, and Theory Chapter 6.Differential Calculus Chapter 7.Integral Calculus Chapter 8.Vector Analysis Chapter 9.Special Functions Chapter 10.Differential Equations Chapter 11.Statistics Chapter 12.Financial Mathematics