# Operators

Like most languages, PQL and MDX have various types of functional operators covering arithmetic, comparison, and logical operations.

 For operating on numeric values and data points: + Add numerics + Concatenate (join) strings - Subtract numerics * Multiply numerics / Divide numerics % Modulus numerics (supported in PQL only, not MDX) Used for deriving comparative expressions: < Less than <= Less than or equal to > Greater than >= Greater than or equal to = Equal to != Not Equal to Used for composite logical and comparative expressions: && And || Or
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