≟
Math Operator 92
- Unicode
- U+225F
- Category
- Math
- HTML Entity
- ≟
- CSS
- \225F
The questioned equal to symbol (≟) features a standard equals sign topped with a question mark. In mathematical contexts, it represents an equation whose truth value is currently unknown or actively being tested. It frequently appears in logical proofs, math puzzles, and technical documentation to denote a hypothesis that needs verification.
How to Type
- Windows
- Alt + 8799
- macOS
- Control + Command + Space then search "questioned equal to"
- Linux
- Ctrl+Shift+U then 225F
- HTML
- ≟ or ≟
In Programming
While not a standard functional operator in mainstream programming languages, ≟ frequently appears in algorithmic pseudocode and documentation to clearly distinguish an equality test from a variable assignment.
Tags
equality under question
logic proof symbol
math hypothesis
mathematics
query
question mark equals
question mark over equals
questioned equal
relation
uncertain
unicode questioned equal
unknown equality
unverified equation