I. IntroductionII. Simple EquationsIII. Positive and Negative NumbersIV. Addition and SubtractionV. Multiplication and DivisionVI. Special Rules in Multiplication and DivisionVII. FactorsVIII. Common Factors and MultiplesIX. FractionsX. Fractional EquationsXI. Simultaneous Equations of the First DegreeXII. Quadratic EquationsXIII. Arithmetical ProgressionXIV. Geometrical ProgressionXV. Square and Cube Roots