# Modifiers reference

Discover the modifiers available in CQL.

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Use the summary below to quickly jump to a specific topic:

- [Number modifiers](/reference/cql/expressions/modifiers/number): Discover the available modifiers to manipulate numeric values in CQL.
- [String modifiers](/reference/cql/expressions/modifiers/string): Discover the available modifiers to manipulate string values in CQL.
- [Collection modifiers](/reference/cql/expressions/modifiers/collection): Discover the available modifiers to manipulate collections in CQL.
- [Date and time modifiers](/reference/cql/expressions/modifiers/date-time): Discover the available modifiers to manipulate date and time values in CQL.
- [Other modifiers](/reference/cql/expressions/modifiers/other): Discover the other modifiers available in CQL.