FeedbackType (Built-in Mathematica Symbol)

FeedbackType is an option for some control system functions that specifies the feedback type.

FieldHint (Built-in Mathematica Symbol)

FieldHint is an option for InputField that specifies contents to display when the input field is empty.

FileByteCount (Built-in Mathematica Symbol)

FileByteCount["file"] gives the number of bytes in a file.

FileNameDialogSettings (Built-in Mathematica Symbol)

FileNameDialogSettings -> {opt -> val} is a global option that specifies settings for the Insert File Path dialog box.

FileType (Built-in Mathematica Symbol)

FileType["file"] gives the type of a file, typically File, Directory, or None.

FindGeoLocation (Built-in Mathematica Symbol)

FindGeoLocation[] attempts to find the current geodetic location of your computer.

FischerGroupFi22 (Built-in Mathematica Symbol)

FischerGroupFi22[] represents the sporadic simple Fischer group Fi_22.

FischerGroupFi23 (Built-in Mathematica Symbol)

FischerGroupFi23[] represents the sporadic simple Fischer group Fi_23.

FischerGroupFi24Prime (Built-in Mathematica Symbol)

FischerGroupFi24Prime[] represents the sporadic simple Fischer group Fi_24'.

FontTracking (Built-in Mathematica Symbol)

FontTracking is an option for Style and Cell that specifies how condensed or expanded you want the font in which text is rendered to be.