While the math column has some limited support for working with dates, it would be really great to have a new column added specifically for date manipulation.
I would expect three parameters:
Date - The date to add/subtract (option for Now/Today)
Units - Could be either: second, minute, hour, day, week day, month, year
Value - Could be any positive or negative value
The output should be a date adjusted by the specified parameters with the usual formatting options. This would make it much easier to do complex date manipulation. For example, we are building an app to manage equipment PM schedules and would like to add a month (not 30 days) to a date when finished.