PFA explained

PFA or Pfa may refer to:

Organizations

• Pacific Film Archive, now part of the Berkeley Art Museum and Pacific Film Archive (BAM/PFA)
• People for Animals, Indian animal welfare organisation
• PFA Footcare Association (Canadian Chapter)
• Police Federation of Australia
• Policía Federal Argentina, the Argentine Federal Police
• Popular Flying Association, a former name of the Light Aircraft Association
• Popular Front of Azerbaijan, forerunner of the Popular Front Party of Azerbaijan (PFPA)
• Professional Fraternity Association

Science, technology, and mathematics

Chemistry and materials science

• Paraformaldehyde, a fixation solution
• Perfluoroalkoxy alkane, a plastic or polymer resin
• Pulverised fuel ash, a waste product of pulverised coal
• Parafluoroamphetamine
• Performic acid
• See also PFAS, Per- and polyfluoroalkyl substances

Computer science

• Probabilistic finite automaton
• .pfa, Printer Font ASCII, a file extension for PostScript Printer Font ASCII
• Predictive failure analysis, a technology for hard disk health monitoring, the predecessor of S.M.A.R.T.
• Portable Format for Analytics, a JSON-based file format for encoding data analytics, such as data mining models.
• PFA, an email abbreviation for "Please Find Attached" or "Please Find the Attachment"

Mathematics and statistics

• Prime-factor FFT algorithm, a fast algorithm for computing the discrete Fourier transform
• Proper forcing axiom
• Probability of False Alarm, a synonym for false positive rate which is commonly used in radar and related fields

Medicine

• Pulsed Field Ablation, high-amplitude pulse electrical fields to create irreversible electroporation in tissues

Sport

• Pahang FA, a Malaysian association football club
• Palestinian Football Association
• Perak FA, a Malaysian association football club
• Professional Footballers' Association, the English and Welsh association football trade union
• Professional Footballers Australia, the Australian soccer trade union

Other uses

• Protection from abuse order
• Psychological first aid