chapter 1. Graphical representation of univariate functions and of (x,y) data sets : the D_2D program -- chapter 2. Graphical representation of functions of two variables : the D_3D progam -- chapter 3. Programs and procedures for data visualization and data format conversion -- chapter 4. Root finding and minimization or maximization of functions -- chapter 5. Procedures for motion simulation of planar mechanical systems -- chapter 6. Kinematic analysis of planar linkage mechanisms using assur groups -- chapter 7. Design and analysis of disk cam mechanisms -- chapter 8. Spur gear simulation using Working Model 2D and AutoLISP -- chapter 9. More practical problems and applications.