Del squared may refer to:
- Laplace operator, a differential operator often denoted by the symbol ∇
- Hessian matrix, sometimes denoted by ∇
- Aitken's delta-squared process, a numerical analysis technique used for accelerating the rate of convergence of a sequence
See also
- DEL2, the second tier ice hockey league in Germany
- Del, a vector calculus differential operator
- Nabla symbol, the symbol used for the Del operator
- ∂, the partial derivative operator symbol
- Del (disambiguation)
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