EOQ()
 Determines the date for the end of a quarter
------------------------------------------------------------------------------
 Syntax

     EOQ([<dDate>]) --> dEndOfQuarter

 Argument

     <dDate>  Designates the date for the last day of the quarter in
     which it lies, is calculated.  The default is the system date.

 Returns

     EOQ() returns the last day for the quarter that contains <dDate>.

 Description

     EOQ() determines when the current quarter that contains <dDate> ends.
     For example, it lets you calculate the number of days that remain before
     the end of the quarter.

 Note

     .  If you do not specify a date, the function automatically uses
        the system date.  An empty date parameter results in an empty date.

 Example

     The last day of the current quarter is:

     ? "The last day of the current quarter is:", EOQ()