Hi,
next problem with the visual formula editor:
Enter the formula
SS_total = sum from i=1 to N {(y_i-overline X)^2}
in command window. Exit editor.
Double click formula to enter edit mode.
In the visual part click left of the y and delete it and enter x.
Watch the command line changing to
{ { SS rsub total = sum csup N csub { i = 1 } { ( { { { x } rsub i -
overline { X } } } ) rsup 2 } } }
Problems:
(1) Short ^ and _ are exchanged with long rsup and rsub. That is bad,
because to distinguish "sub" and "sup" you have to look very exactly in
contrast to _ and ^, and the formula becomes longer.
(2) A lot of additional braces and spaces are added. Bad, because the
formula becomes longer and it is more difficult to find corresponding
opening and closing brackets.
(3) The part "from ... to " is exchanged with csup and csub. That is not
acceptable, because it changes the meaning of the formula.
Kind regards
Regina
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