A checkmark symbol commonly used to indicate correctness, verification, or completion of mathematical statements or proofs.
Examples
Indicating a correct answer or verified condition
x = 2 \quad \checkmark
Marking completed items in a mathematical list
\begin{array}{l} \text{1. Solve equation} \quad \checkmark \\ \text{2. Check solution} \quad \checkmark \\ \text{3. Graph result} \end{array}
Verifying conditions in a proof
f'(x) = 2x \quad \checkmark \quad \text{(derivative verified)}