⋱
Unicode
U+22F1LaTeX
\ddotsHTML entity
⋱HTML decimal
⋱MathML
<mo>⋱</mo>Semantic identity and intent
Characters to distinguish
- ⋮ — Vertical Ellipsis
Use ⋱ in the right format
Meaning and usage
Shows that diagonal matrix entries continue from upper left to lower right.
Align it with the main diagonal of a matrix or array.
Pronunciation: down right diagonal ellipsis
Formula examples
diag(a₁,⋱,aₙ)How to type Down Right Diagonal Ellipsis
- Windows
- Use Character Map or enter U+22F1 in a Unicode-aware application.
- macOS
- Open Character Viewer with Control–Command–Space and search by the symbol name.
- Microsoft Word
- In an equation, type \ddots and press Space when Word supports the command.
- iPhone and iPad
- Copy and paste ⋱, or use a math/LaTeX app. The standard iOS keyboard may not expose every mathematical symbol.
- Android
- Copy and paste ⋱, or use a math keyboard or LaTeX editor. Keyboard layouts vary by device and app.
- Google Docs
- For plain text, paste ⋱ or use Insert → Special characters. For structured math, use the equation editor and verify \ddots.
- Excel
- Paste ⋱ into a cell or use Insert → Symbol when available. Ordinary cells preserve the character but do not interpret LaTeX commands.
Common mistakes
- Preserve grouping, operator order, and spacing around ⋱; Align it with the main diagonal of a matrix or array.
- For plain text, copy ⋱ as U+22F1; for structured equations, use \ddots in math mode. A look-alike glyph or image can break search, accessibility, or parsing when the intended character is Down Right Diagonal Ellipsis.
When to use ⋱
- Use ⋱ in plain text when a Unicode character is appropriate and the destination preserves U+22F1.
- Use \ddots in an equation editor when mathematical spacing or structure matters.
- Define the local meaning when Down Right Diagonal Ellipsis is used in linear algebra, discrete math with a field-specific convention.
Look-alikes and related characters
- ⋮ — Vertical Ellipsis
Font and compatibility notes
Font coverage varies; verify the code point and destination rendering before publication.
Continue the workflow
From Down Right Diagonal Ellipsis to a finished equation
- Copy the characterUse ⋱ in plain text when Unicode is accepted.
- Choose a structured formatUse
\ddotsfor LaTeX or the MathML snippet for accessible web equations. - Edit or convertOpen the value in the editor or converter without retyping it.
Review and source notes
Quality tier: catalog
Last reviewed: 2026-07-23
Review method: Catalog review of character identity and notation mappings.
Verified against: Unicode Standard, Unicode mathematical notation guidance, and established LaTeX/MathML syntax.
Reference sources
- The Unicode StandardUnicode Consortium — Character identity, encoding, names, and conformance.
- Unicode Character Code ChartsUnicode Consortium — Code points and official character charts.
Frequently asked questions
What does the Down Right Diagonal Ellipsis symbol mean?
Shows that diagonal matrix entries continue from upper left to lower right.
What is the LaTeX command for ⋱?
Use \ddots in a compatible math environment.
Can I copy ⋱ as Unicode?
Yes. Use the copy button above to copy the Unicode character directly.