| gen.rnd.vec | Generates random vector for numerical answer (internal) |
| pafdR_build.exercise | Builds exercises using package exams |
| pafdR_check.pdflatex | Function to check if system has pdflatex.exe available |
| pafdR_download.code.and.data | Downloads code and data from the book |
| pafdR_download.exercises | Downloads Book exercises from github |