INT

Round a number down towards minus infinity (floor).

value = INT(number)

INT(-1.5) is -2; use FIX to truncate towards zero and CINT to round.

Example:

PRINT INT(1.9)      ' 1
PRINT INT(-1.5)     ' -2

Source: docs/help/int.txt inmmcore. On the computer, typeHELP INT.