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𝙀

Mathematical Sans-serif Bold Italic Small O Symbol

𝙀 is a mathematical styled small o (sans-serif, bold, italic) used in formulas and symbolic text.

U+1D664

𝙀 (Unicode U+1D664) is a stylized lowercase o used in mathematical and technical writing. It’s commonly needed when a designer or writer wants a specific β€œmath alphabet” look. Below are practical ways to copy and use it.

Mathematical Sans-serif Bold Italic Small O Symbol Meaning

𝙀 is a typographic variant of the lowercase letter β€œo” designed for mathematical alphabets: sans-serif, bold, and italic. In practice, you’ll see it when authors need consistent styling across symbols in equations, formula-like headings, variable naming, or typographic emphasis. It does not represent a universal single meaning by itself the way some dedicated math symbols do; instead, its meaning comes from the surrounding notation (for example, what the variable represents in your specific document). Use it to match a particular math-style font/weight/angle rather than to convey a fixed concept on its own.

Common uses

  • β€’Typing variables in math-like text where a bold italic sans-serif β€œo” is desired
  • β€’Designing equation callouts, labels, or diagram captions with consistent typography
  • β€’Creating typographic branding for slides, posters, or UI components that use math alphabets
  • β€’Formatting scientific or technical documents where a specific letter style must match
  • β€’Building social media quotes or graphics that include math-styled variables

Examples

𝙀 Mathematical sans-serif bold italic small o

  • 𝙀Let y = 𝙀x + b.
  • 𝙀Compute 𝙀(n) from the given recurrence.
  • 𝙀The parameter 𝙀 controls the curve shape.
  • 𝙀Use the initial value of 𝙀(0) to start the iteration.
  • 𝙀In the expression, replace o with 𝙀 to match the style.

Variations

Ready to copy

Technical codes

UnicodeU+1D664
HTML Entity𝙤
HTML Code𝙤
CSS\1D664

FAQ

What does the Mathematical Sans-serif Bold Italic Small O symbol mean?

𝙀 is a typographic variant of the lowercase letter β€œo” designed for mathematical alphabets: sans-serif, bold, and italic. In practice, you’ll see it when authors need consistent styling across symbols in equations, formula-like headings, variable naming, or typographic emphasis. It does not represent a universal single meaning by itself the way some dedicated math symbols do; instead, its meaning comes from the surrounding notation (for example, what the variable represents in your specific document). Use it to match a particular math-style font/weight/angle rather than to convey a fixed concept on its own.

What is the Unicode code point for 𝙀?

𝙀 has Unicode code point U+1D664.

How can I copy 𝙀 into HTML?

You can use the HTML entity: 𝙤

What is the CSS escape for 𝙀?

The CSS escape is: \\1D664

How do I use 𝙀 in JavaScript?

In JavaScript, you can use: \\u{1D664}