org-recalc-marks

org-recalc-marks is a variable defined in `org-table.el'.
Its value is

((" " . "Unmarked: no special line, no automatic recalculation")
 ("#" . "Automatically recalculate this line upon TAB, RET, and C-c C-c in the line")
 ("*" . "Recalculate only when entire table is recalculated with `C-u C-c *'")
 ("!" . "Column name definition line.  Reference in formula as $name.")
 ("$" . "Parameter definition line name=value.  Reference in formula as $name.")
 ("_" . "Names for values in row below this one.")
 ("^" . "Names for values in row above this one."))

Documentation:
Not documented as a variable.