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

!start_date,days,weekend,holidays!!Returns the serial number of the date before or after a specified number of workdays with custom weekend parameters!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 a number or string specifying when weekends occur!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!