start_date,days,holidays!Returns the serial number of the date before or after a specified number of workdays!is a serial ...

!start_date,days,holidays!!Returns the serial number of the date before or after a specified number of workdays!is a serial date number that represents the start date!is the number of nonweekend and non-holiday days before or after start_date!is an optional array of one or more serial date numbers to exclude from the working calendar, such as state and federal holidays and floating holidays!