Σ

Translingual

Symbol

1. Шаблон:Lb Σ. Sum over a set of like terms:

   $\sum _{n=1}^2{n}^2=1^2+2^2=5$

2. Шаблон:Lb suspension or reduced suspension
3. Шаблон:Lb A class (in the arithmetical hierarchy) of formulae whose outermost unbounded quantifiers are existential quantifiers

Шаблон:Tit2

Шаблон:Sense Though there exists a distinct symbol (∑) for the purpose of the mathematical summation, the upper case sigma here is often used for convenience.

Coordinate terms

• Шаблон:Sense Шаблон:L, Шаблон:L

Шаблон:Tit2

• Шаблон:Pedialite

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Грчки

Слово

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

Numeral

1. The number 200 in Greek numerals.

,Σ

1. The number 200,000 in Greek numerals.

Шаблон:Tit2

see: Appendix:Greek alphabet