| Approximation abbr. | |
| stat. | aproximación |
|
hyperbolische : 15 phrases in 11 subjects |
| Communications | 1 |
| Earth sciences | 1 |
| Economics | 2 |
| Electronics | 3 |
| Mathematics | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Physical sciences | 1 |
| Scientific | 1 |
| Statistics | 1 |
| Transport | 1 |