The addition operator `+` computes the sum of its operands.

Expression Result
+ Duration Duration
+ Numeric Numeric
Date + Duration Date
Duration + Date Date
Duration + Duration Duration
Numeric + Numeric Numeric
Duration + Time Time
Time + Duration Time
Timestamp + Duration Timestamp
Duration + Timestamp Timestamp

## Examples

• `+Days(7)` returns 7 days.
• `+Days(-3)` returns -3 days.
• `+5` returns 5.
• `+(-10)` returns -10.
• `[Registered Date] + [Duration]` returns the date you get by adding the Duration column value to the date in the Registered Date column.
• `ToDate("03/20/2013") + Days(3)` returns the date value 3/23/2013.
• `Days(3) + ToDate("03/20/2013")` returns the date value 3/23/2013.
• `Days(7) + Days(3)` returns 10 days.
• `Days(7) + Days(-3)` returns 4 days.
• `5 + 2` returns 7.
• `5 + (-10)` returns -5.
• `[Cost] + [Margin]` returns the price value.
• `Hours(3) + ToTimeOfDay("2:03:29 pm")` returns the time value 5:03:29 PM.
• `ToTimeOfDay("2:03:29 pm") + Hours(3)` returns the time value 5:03:29 PM.
• `[Start Timestamp] + Hours(3)` returns the timestamp resulting from adding 3 hours to the value stored in the Start Timestamp column.
• `Hours(3) + [Start Timestamp]` returns the timestamp resulting from adding 3 hours to the value stored in the Start Timestamp column.