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Floor Function

The floor function returns the greatest integer less than or equal to a number.

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Meaning

What Is Floor Function?

The floor function returns the greatest integer less than or equal to a number.

The floor function returns the greatest integer less than or equal to a number.

Examples

Examples of Floor Function

1⌊3.8⌋ = 3.
Understand

Formula and Key Points

Formula / rule
⌊x⌋
  • Know the definition and standard notation for Floor Function.
  • Be able to recognise or compute floor function in a small example.
  • Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
CSE Connection

Why This Matters in Computer Science

Used to model input-output behaviour in programs, APIs, algorithms, transformations and machine-learning pipelines. Common in array indexing, bucket calculations, paging and integer partitioning.

FAQ

Floor Function: Frequently Asked Questions

What is Floor Function?

The floor function returns the greatest integer less than or equal to a number.

Why is Floor Function useful in computer science?

Used to model input-output behaviour in programs, APIs, algorithms, transformations and machine-learning pipelines. Common in array indexing, bucket calculations, paging and integer partitioning.