1 Basic problems using graphics. - Two-dimensional calculations. - Calculation of perimeters and areas. - Two-dimensional geometric transformations. - Three-dimensional geometric transformations. - Parallel projections and perspectives. - Object modelling. - Conclusions. - References. - 2 Curves and surfaces. - Curves. - Surfaces. - References. - 3 Numerical methods for solving linear and non-linear equations. - Linear equation systems. - Non-linear equation systems. - Non-linear equations. - Conclusions. - References. - Software manuals. - 4 The finite element method. - Examples of variational formulation for boundary value problems. - Internal approximation: Ritz-Galerkin method. - Matching finite elements. - Examples of finite elements. - A two-dimensional example. - Conclusions. - Appendix: the principle behind the finite difference method. - References. Language: English