Script Capital F
Part of Math Symbols
Script Capital F has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ℱ
- Unicode
- U+2131
About this symbol
ℱ, a script F, is the usual sign for the Fourier transform, which breaks a signal such as a sound into the frequencies it contains. It is named after Joseph Fourier, who used the idea in his study of heat in 1822.
Unicode facts
- Official name
- SCRIPT CAPITAL F
- Also called
- Fourier transform
- Type
- Uppercase letter
- Unicode block
- Letterlike Symbols
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.