Latin Small Letter F

Part of Basic ASCII: Alt 33 to 126

On Windows, hold Alt and type 102 on the numeric keypad to insert latin small letter f.

Alt code
Alt+102
HTML entity
f
Unicode
U+0066

About this symbol

Writing f(x) for a function of x goes back to Leonhard Euler, who introduced the notation in 1734. The f stands for function, and mathematicians reach for g and h when they need more.

Unicode facts

Official name
LATIN SMALL LETTER F
Type
Lowercase letter
Unicode block
Basic Latin
Unicode group
Lowercase Latin alphabet
Added in
Unicode 1.1 (1993)
Capital form
F Latin Capital Letter F U+0046
Related
ƒ Latin Small Letter F With Hook U+0192
ꬵ Latin Small Letter Lenis F U+AB35

Click the symbol or any value at the top of the page to copy it. See the full Basic ASCII: Alt 33 to 126 chart for related characters.

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