▮
Geometric Shape 15
- Unicode
- U+25AE
- Category
- Geometric
- HTML Entity
- ▮
- CSS
- \25AE
The ▮ (Black Vertical Rectangle) is a solid, upright geometric shape located in the Unicode Geometric Shapes block. In mathematics, it is frequently used as a tombstone or Halmos symbol to denote the end of a mathematical proof. In computing and interface design, it is widely used to represent a solid block cursor in text editors and command-line terminals.
How to Type
- Windows
- Alt+9646
- macOS
- Control+Command+Space then search "black vertical rectangle"
- Linux
- Ctrl+Shift+U then 25AE
- HTML
- ▮
In Programming
In technical documentation and UI mockups, this symbol is frequently used to indicate a terminal block cursor or text insertion point. It also serves as an alternative Q.E.D. marker in mathematical typesetting environments like LaTeX.
Tags
QED marker
bar
block
block cursor
cursor
end of proof
filled vertical rectangle
geometric
halmos symbol
math proof
mathematics
solid cursor
terminal cursor
tombstone symbol