English abbreviations from prmfl to prog
- PRMFL (Perm File)
- PRML (Partial Response Maximum Likelihood)
- PRMS (Personnel Recovery Mission Software)
- PRN (pro re nata (Latin, "for the emergency", "as needed"))
- PR.N. (Pridie Nonas ("The Day Before the Nones"))
- P-RNAV (precision area navigation)
- PRNG (Pseudo Random Number Generators)
- PRO (Peer review organization)
- PROA (Pennsylvania Residential Owners Association)
- PROBE (Personal Research On Basically Everything)
- PROBSUB (Probable Submarine)
- PROC (Puerto Rican Operations Center)
- PROCESS (Participation Responsibility Openness Commitment Experimentation Sensitivity Sense)
- PROD (Production Log)
- Prof. (Professus, Professio, Professor ("Professed", "Profession", "Professor"))
- PROF (Professor)
- PROFIS (Professional Filler System)
- PROFOCA (Professional Foreign Correspondents Association)
- PROFS (Professional Office System)
- PROG (Progression)