Creates a range with all values less than or equals to x. The following types for x and y are possible: number, boolean, currency, date, time, datetime and string.
Is <= x
Returns a range including all values less than or equals to x .
Is <= CDate(2005, 8, 1) -> Returns a range including all dates before August 1st, 2005 including August 1st, 2005.
Is <= 2.000 -> Creates a numeric range including all values less than or equals to 2.000.