| abs_sign | Basic functions for converting ptvalues |
| as_div | Basic functions for converting ptvalues |
| as_ptvalue | ptvalue: Working with precision teaching values |
| as_ptvalue.default | ptvalue: Working with precision teaching values |
| as_times | Basic functions for converting ptvalues |
| div | Create times or div vector of class *ptvalue* |
| invert_sign | Basic functions for converting ptvalues |
| is_ptvalue | ptvalue: Working with precision teaching values |
| ptvalue | ptvalue: Working with precision teaching values |
| times | Create times or div vector of class *ptvalue* |