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Functions
Length
Length
Available
Returns the number of elements in a list.
Forms
Length[expr]
Verified examples
Length[{7, 2, 4}] → 3
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Used in
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Topics
Binary Data
- Byte Arrays
Elements Of Lists
- Finding Sublists
Expression Structure
- Atomic Components of Expressions»
Expressions
- Expression Structure »
GPU Computing
- Arrays
GPU Computing-Apple
- Arrays
Related
LeafCount
ByteCount
Dimensions
Depth
StringLength
AtomQ
ComplexityFunction
LengthWhile
CountDistinct
CheckArguments
Part
First
← LegendreQ
LengthWhile →
All 6300 functions
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Use this from an MCP client