Evaluation Control

34 functions the reference files under this topic, grouped as its own guide page groups them.

Evaluation Control for Complete Expressions

Hold HoldForm HoldCompleteForm Defer

Evaluation Control for Function Arguments

HoldAll HoldFirst HoldRest Evaluate Unevaluated

More Detailed Control

ReleaseHold HoldComplete HoldPattern HoldAllComplete SequenceHold Update NHoldAll NHoldFirst NHoldRest

Manipulating Unevaluated Expressions

With Extract Keys Values ReplaceAll ReplacePart Delete Position ToString

Resource Constraints

TimeConstrained MemoryConstrained

Evaluation in Notebooks

Dynamic Refresh

Inactivated Expressions

Inactivate Activate Inactive

All 626 topics · Function reference