\lfloor \rfloor

The floor function, denoted by \lfloor \rfloor, represents the greatest integer less than or equal to a given number. It is used to round down a real number to the nearest integer.

Examples

Rounding down a positive decimal number to the nearest integer.

\lfloor 3.7 \rfloor = 3

Rounding down a negative decimal number to the nearest integer.

\lfloor -2.3 \rfloor = -3

Applying the floor function to an integer, which remains unchanged.

\lfloor 5 \rfloor = 5