| Formel abbr. | |
| gen. | formula; established wording; formulae |
| comp., MS | equation; Equation; formula |
| econ. | form |
| IT | well-formed formula |
| tech. | equation |
|
Kirchhoffsche : 26 phrases in 5 subjects |
| Astronomy | 1 |
| Electronics | 2 |
| Optics branch of physics | 7 |
| Physical sciences | 1 |
| Physics | 15 |