The capital Greek letter (capital omnicron) is visually very similar to the upper-case Latin letter O. For that reason, refer to the usage of Capital O for how the symbol appears in math.
Symbol | Format | Data |
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Ο | Unicode |
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TeX |
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SVG |
The Greek Alphabet is used throughout math to represent variables, constants, and coeffecients within math expressions, formulas, and equations.
The Greek letter ο (omicron).