Trial and error
Trial and Error or Trial & Error stands for:
- Trial and error , heuristic problem solving method
- Trial and Error , Alternate title of the great blockbuster ( The Dock letter ), British film directed by James Hill (1962)
- Trial and Error , original title of Even Dumber , American film by Jonathan Lynn (1997)
- Trial & Error Records , Australian music label
- Trial & Error (TV series) , an American comedy series