Perfect Records | A Perfect Murder | Perfect Dark Zero | Perfect 10 | Pixel Perfect | Perfect World | Perfect Sound Forever | Perfect Scoundrels | pattern matching | Matt Cain's perfect game | I Love You, You're Perfect, Now Change | Hideous and Perfect | Dead Solid Perfect | Angus, Thongs and Perfect Snogging | The Perfect Stranger | The Perfect Prescription | Roy Halladay's perfect game | Praxis Makes Perfect | Pitch Perfect | Perfect Symmetry | Perfect Sound Forever (book) | Perfect Self | perfect season | Perfect Machine (album) | Perfect Machine | Perfect Dark: Janus' Tears | Perfect 10 (single) | Matching Jack | Looking for the Perfect Beat | Less Than Perfect |
The FKT algorithm, named after Fisher, Kasteleyn, and Temperley, counts the number of perfect matchings in a planar graph in polynomial time.