Multiple Offset/Match formula returns "#N/A"

[Jim McC]

I have the following formula
=-OFFSET(INPUT!$A$1,MATCH(April!$I$8,INPUT!$A$2:$A$39,0),MATCH(April!A18,INPUT!$B$1:$AF$1,0))+OFFSET(INPUT!$A$1,MATCH(April!$I$9,INPUT!$A$2:$A$39,0),MATCH(April!A18,INPUT!$B$1:$AF$1,0))+OFFSET(INPUT!$A$1,MATCH(April!$I$11,INPUT!$A$2:$A$39,0),MATCH(April!A18,INPUT!$B$1:$AF$1,0))

If one of the Offset/Matches returns "#N/A", then the entire formula is
"#N/A". How can I fix it that if one (or two or three) returns "#N/A", I
still get the sum of the other two (or one or "0")?

 

[T. Valko]

Put each segment in an individual cell then use a SUMIF on those cells.

=SUMIF(A1:A3,"<1E100")

 

[Jim McC]

My solution is as follows (Using IF(ISNA
=IF(ISNA(-OFFSET(INPUT!$A$1,MATCH(April!$I$8,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0))),0,-OFFSET(INPUT!$A$1,MATCH(April!$I$8,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0)))+IF(ISNA(OFFSET(INPUT!$A$1,MATCH(April!$I$9,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0))),0,OFFSET(INPUT!$A$1,MATCH(April!$I$9,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0)))+IF(ISNA(OFFSET(INPUT!$A$1,MATCH(April!$I$11,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0))),0,OFFSET(INPUT!$A$1,MATCH(April!$I$11,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0)))-IF(ISNA(OFFSET(INPUT!$A$1,MATCH(April!$I$10,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0))),0,OFFSET(INPUT!$A$1,MATCH(April!$I$10,INPUT!$A$2:$A$39,0),MATCH(April!A16,INPUT!$B$1:$AF$1,0)))