Mathematical Script Capital S Symbol
𝒮 is the Unicode “Mathematical Script Capital S” character for math-style script lettering.
U+1D4AE
𝒮 is a Unicode symbol used to represent a script-style capital S in mathematical typography. It’s commonly used when you want an elegant, handwritten-like letter form in equations, labels, and design text. Below you’ll find practical ways to copy and use it.
Mathematical Script Capital S Symbol Meaning
𝒮 is the Unicode character named “MATHEMATICAL SCRIPT CAPITAL S” (U+1D4AE). It’s part of the mathematical alphanumeric script set, designed to look like a script/handwritten capital S. In practice, it’s used as a stylistic variant of the letter “S” when the surrounding notation benefits from script lettering—such as naming variables, sets, functions, or identifiers in math documents. Because it’s specifically a math script character, it may be preferred over plain “S” in contexts where consistent typographic style matters.
Common uses
- •Labeling variables in technical writing or math-heavy content
- •Typing script-style headings or section markers in documents
- •Using as a distinctive “S” in infographics, posters, or UI mockups
- •Naming functions, sets, or operators in equations for clarity
- •Creating consistent branding elements in educational or technical design
Examples
𝒮 Mathematical Script Capital S
- 𝒮Let 𝒮 be a family of sets.
- 𝒮We define 𝒮(x) as a scripted transformation.
- 𝒮Choose 𝒮 to satisfy the boundary conditions.
- 𝒮The set 𝒮 partitions the domain.
- 𝒮In the diagram, 𝒮 marks the selected region.
Variations
Ready to copy
Technical codes
| Unicode | U+1D4AE | |
| HTML Entity | 𝒮 | |
| HTML Code | 𝒮 | |
| CSS | \1D4AE |
FAQ
What does the Mathematical Script Capital S symbol mean?
𝒮 is the Unicode character named “MATHEMATICAL SCRIPT CAPITAL S” (U+1D4AE). It’s part of the mathematical alphanumeric script set, designed to look like a script/handwritten capital S. In practice, it’s used as a stylistic variant of the letter “S” when the surrounding notation benefits from script lettering—such as naming variables, sets, functions, or identifiers in math documents. Because it’s specifically a math script character, it may be preferred over plain “S” in contexts where consistent typographic style matters.
What is 𝒮 used for?
𝒮 is typically used as a script-style capital S in mathematical notation, technical labels, and design text where a distinctive “S” is needed.
What is the Unicode code point for 𝒮?
𝒮 is U+1D4AE.
How can I copy 𝒮 into my code?
You can use the HTML entity 𝒮 or escapes like CSS \\1D4AE and JavaScript \\u{1D4AE}.
Will 𝒮 display correctly on all devices?
It depends on font support. If your font doesn’t include the character, it may fall back to a different style or show a placeholder.