This is a comprehensive revision mathmatics book for high school students. Topics covered include: - Algebraic Expressions, Rates, Ratio Percentages and Proportions, Linear Equations, Geometry, Common Solids, Numbers, Equation of Lines, Measurements, Inequalities, Linear Motion, Quadratic Expressions and Equations, Approximations and Errors, Surds and Further Logarithms, Commercial Arithmetic, Circles, Chords and Tangents, Formulae and Variations, Sequence and Series, Vectors, Binomial Expressions, Probability, Compound Proportion and Mixtures, Graphical Methods, Matrices and Transformations, Statistics, Loci, Trigonometry, Three Dimensional Geometry, Latitudes and Longitudes, Linear Programming and Calculus among others.