Mathematics
All files are pdf format.
Here are the Navy Education Training series of books titled Mathematics.
Mathematics Module 
File 
Mathematics, Basic Math and Algebra
NAVEDTRA 14139 (June 1985 edition)
Topics Include:
 Number systems and sets
 Positive integers
 Signed numbers
 Common fractions
 Decimals
 Percentage and measurement
 Exponents and radicals
 Logarithms and the slide rule
 Fundamentals of algebra
 Factoring polynomials
 Linear equations in one variable
 Linear equations in two variables
 Ratio, proportion, and variation
 Dependence, functions, and formulas
 Complex numbers
 Quadratic equations in one variable
 Plane figures
 Geometric constructions and solid figures
 Numerical trigonometry
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Mathematics, Trigonometry
NAVEDTRA 14140 (February 1989 edition)
Topics include:
 Logarithms
 Computations with Logarithms
 Trigonometric Measurements
 Oblique Triangles
 Trigonometric Identites and Equations
 Vectors and Forces


Mathematics, PreCalculus and Introduction to Probability
NAVEDTRA 14141 (December 1988 edition)
Topics Include:
 Straight Lines
 Conic Sections
 Tangents, Normals, and Slopes of Curves
 Limits and Differentition
 Derivatives
 Integration
 Integration Formulas
 Combinations and Permutations
 Probablility


Mathematics, Introduction to Statistics, Number Systems and Boolean Algebra
NAVEDTRA 14142 (August 1986 edition)
Topics include:
 Sequence and series
 Mathematical induction and the binomial theorem
 Descriptive statistics
 Statistical inference
 Number systems
 Sets and subsets
 Boolean algebra
 Boolean simplification
 Matrices and determinants

