F is the sixth letter in the modern English alphabet and the ISO basic Latin alphabet. The origin of F is the Semitic letter vâv that represented a sound like /v/ or /w/. It may have been based on a comparable Egyptian hieroglyph such as that which represented the word mace. In the hexadecimal, base 16 numbering system, F is a number that corresponds to the number 15 in decimal, base 10 counting


  • in English- language online slang, is used as an initialism for f-word
  • in units of measurement °F is the Fahrenheit scale
  • in information F represents facts
  • in grammar stands for feminine
  • in mathematics a function of a specified variable: the value of F
  • in textual references F stands for folio
  • in economics F absence could stand for misery

wikipedia, Encyclopædia Britannica