A negative value sums while a positive one averages. 90 or -90 degrees.
Task now allows multiple apertures to be overlaid.
The new task parameters give the user the option to change these characteristics, unless the output column already exists. Extensive changes were made to the row selector code to support the new table row selector. This selector removes row number subexpressions from the expression passed to the row selector and evaluates them separately. Results are stored in a new structure within the pseudo code structure called a row set. When evaluating a row, the row selector first checks to see if they are in the set and only evaluates the expression if they are.