| Beginner - Basic usage | PFApply | PFDestroy | PFSet | 
| PFApplyVec | PF | PFType | 
| Intermediate - Setting options for algorithms and data structures | PFGetType | PFSetFromOptions | PFSetType | 
| Advanced - Setting more advanced options and customization | PFRegisterAll | PFRegister | 
| Developer - Interfaces intended primarily for library developers, not for typical applications programmers | PFCreate | PFInitializePackage | 
| PFFinalizePackage | PFView | |
| No deprecated routines | ||