If a cell contains the SUM-function (example: cell A100 contains "=SUM(A10:A99)"
and you want to change the range to A1-A99 by using the mouse (e. g. clicking
the formula row and moving the blue rectangle of the range which appears after
doing this) Calc offers only the possibility to change the range in the lower
part of the blue rectangle (a small square appears in the lower part of the blue
rectangle-range). In the upper part only the possibillity of moving the range is
set (a blue hand appears). It would be great if a small square could appear also
in the upper right corner of the blue rectangle range, so you could stretch the
range also to upper cells (now you have to do it in 2 steps - by moving the
range up with the blue hand and than stretch the range down or manually by
editing the formula row).