From Clomosy Docs
function Trunc(X: Real): Int64;
The Trunc function returns the integer part of a floating point number. It returns this part as an Integer value.
Example
var
valueNumber : Float;
{
valueNumber = 12.60;
ShowMessage('Trunc('+ FloatToStr(valueNumber) +') = '+IntToStr(Trunc(valueNumber)));
}
Output:
Trunc(12,6) = 12