Arithmetic & Number Theory

Floor

Largest integer ≤ x.

Formula

Formula
y = ⌊x⌋

Variables

SymbolDefinitionType & rangeUnitsRole
x input real number (ℝ) input
y floored value computed result result

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenx = 3.7
Result3
Example 2
Givenx = -2.1
Result-3