A recurring Excel problem I have is formulas such as INDEX(array,row,column) that return 0 when there\'s no result, rather than returning blank.
INDEX(array,row,column)
What is
The normal way would be the IF statement, though simpler than your example:
=IF(INDEX(a,b,c),INDEX(a,b,c),"")
No need to do gyrations with the formula, since zero values trigger the false condition.