- field of real numbers
- field of sets
- field of sets
- field of sets
- field of stationary curve
- field polynomial
- field without source
- figurate number
- figurate number
- figure
- figure in the bundle
- figure of semicircle
- figures of mirror similar
- figures of syllogism
- figures symmetric with respect to a straight line
- figure symmetric with respect to a straight line
- file
- file management
- Filippov theory
- filled Julia set
- fillet
- filter
- Filter
- filter
- filter