Ellipse Caustic Curve
For an Ellipse given by
 |  |  | (1) |
 | |  | (2) |
with light source at
, the Caustic is | |  | (3) |
| |  | (4) |
where
 | |  | |
 |  | ||
|  | (5) | |
 | |  | |
|  | (6) | |
 | |  | (7) |
 | |  | |
|  | (8) |
At
, | |  | (9) |
| |  | (10) |
- Fair Game
- Fairy Chess
- Fallacy
- False
- False Position Method
- Faltung (Form)
- Faltung (Function)
- Fan
- Fano Plane
- Fano's Axiom
- Farey Sequence
- Farey Series
- Farkas's Lemma
- Faro Shuffle
- Far Out
- Far-Out Point
- Fast Fibonacci Transform
- Fast Fourier Transform
- Fat Fractal
- Fatou Dust
- Fatou Set
- Fatou's Lemma
- Fatou's Theorems
- Faulhaber's Formula
- Favard Constants