Del squared

Del squared may refer to:

• The Laplace operator, a differential operator often denoted by the symbol ∇²
• The Hessian matrix is sometimes denoted by ∇²
• Aitken's delta-squared process, a numerical analysis technique used for accelerating the rate of convergence of a sequence

See also

• Del, a vector calculus differential operator
• Nabla symbol, the symbol used for the Del operator