σ

σ englanniksi

1. deviation|Standard deviation.

2. Sum of divisors.

3. group|Braid group algebra.

4. section|Cross section.

5. Syllable.

6. a labialized alveolar fricative (value uncertain, possibly IPA (IPAfont)).

7. The select operation.

8. The constant.

9. A constant.

10. Lower-case sigma ((l)), the 18th letter of the ancient alphabet. It represented the (w) (IPAchar). It is preceded by ρ and followed by τ.

11. The case letter sigma (σίγμα), the 18th letter of the modern alphabet|Greek alphabet.