∆
Math Operator 7
- Unicode
- U+2206
- Category
- Math
- HTML Entity
- ∆
- CSS
- \2206
The ∆ (Increment) symbol is a mathematical operator used to represent a change or difference in a specific variable, most notably in calculus and physics. While visually identical to the uppercase Greek letter Delta (Δ), this specific Unicode character is designated exclusively for mathematical formulas and equations. Beyond indicating a change in value, it is also used in set theory to denote the symmetric difference between two sets or as the Laplace operator in advanced mathematics.
How to Type
- Windows
- Alt + 8710 (on numeric keypad) or type 2206 then Alt+X in Word
- macOS
- Option + J
- Linux
- Ctrl+Shift+U then 2206
- HTML
- ∆ or ∆
In Programming
In technical documentation and mathematics, the increment symbol is used to denote a delta value or a change between two states. While rarely used directly in source code due to ASCII compatibility constraints, it frequently appears in LaTeX equations via the `\Delta` command.
Tags
LaTeX Delta
Laplace operator
U+2206
change
change in variable
delta
delta symbol
delta vs increment
delta x
difference
increment
increment notation
math change symbol
mathematics
symmetric difference
triangle
triangle math symbol