- formula （复数形式 formulae或 formulas)
- Fornaess, J.E.
- for some
- Forsyth, A.R.
- Forsythe, G.E.
- Fortet, R.M.
- Fortran
- fortuitous
- fortuitous distortion
- fortunate prime
- forward
- forward algorithm
- forward analysis
- forward-backward substitution method
- forward channel
- forward derivative
- forward derivative function
- forward difference
- forward difference operator
- forward difference quotient
- forward differentiability
- forward Dini derivative
- forward elimination
- forward elimination and backward substitution
- forward equation