sum if red font

[Gary]

I wish to sum the numbers in a column if the numbers are changed to a red
font. An example is in column B, rows 10 thru 20 there are numbers. If I
change a number to a red color I wish to sum those numbers in cell A5.

Regards, Gary

 

[Bob Phillips]

See http://xldynamic.com/source/xld.ColourCounter.html