Contents: Introduction -- First four rules of arithmetic -- Functions and decimals -- Approximations -- Squares and square roots -- Percentages -- Short cuts in calculations -- Simple and compound interest -- Price or cost calculations -- Computations involving buying, selling turnover and costs -- Discounts and commissions -- Calculations of wages and salaries -- Hire purchase calculations -- Foreign exchange conversions -- Logarithms and antilogarithms -- Average due dates, mixtures and blends -- Equations -- Algebraic functions -- The metric system -- Problems in speed and distance -- Mensuration -- Rates and income taxes -- Insurance and bankruptcy -- Shares and debentures -- Bills of exchange -- Statistics an introduction -- Collection of data -- Classification and tabulation of data -- Presentation of data: diagrams and graphs -- Measures of central tendency -- Measures of dispersion -- Skewness, moments and kurtosis -- Index numbers -- Time series -- Correlations -- Regression -- Probability -- Sampling and sampling distribution -- Tests of hypothesis -- Chi-square test