floor() function definition

[Isaac To Kar Keung]

>>>>> "Dev" == Dev NuLL <dev_null at email.com> writes:

    Dev> this is a programer's function, not a common math function because
    Dev> it cannot be explained by a simple formula.

Under this definition, sin and cos are not math function... stupid indeed.

Every stream of discrete mathematics requires the use of floor and ceiling
function.  So perhaps you consider discrete mathematics "not mathematics".

Regards,
Isaac.