When using the Formula Editor, i found that the index characters (the 'sub') 
are unnecessarily moved further right of the base character than needed - it 
would be much more readable if there would be a sort of an 'italic alignment' 
for the indexes, for example in a formula such as:

sum from {i=1} to n F sub i m = A

...the 'i' character in the index by F is moved to the right of the bounding 
box - slanting the bounding box and then aligning the sup and sub indexes 
would help with the readability.