I have inherited a spreadsheet with countless formulas like this:
=IF(ISNA(MATCH(A1,MatchRange,0)),"n/a",INDEX(IndexRange,MATCH(A1,MyNamedRange,0)))
Obviously I could change these to:
=IFERROR(INDEX(IndexRange,MATCH(A1,MyNamedRange,0)),"n/a")
But I thought that instead I might just not bother...