Differentiability; Expansions; Indeterminate forms; Asymptotes; Curvature; Envelopes and Evolutes; Singular; Points and Curve Tracing; Partial Differentiation; Change of independent variables (T wo Variables); Jacobians; Maxima and Minima Functions of two and three V ariables; Definite Integrals; Beta and Gamma functions Differentiation and integration; under the integral sign; Multiple Integrals Dirichlets Theorem; Area of Bounded Curves; Rectification; Volume and Surface of Solid Revolution.