A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hi,
Maybe some of your data comes out as text or some cell where you have data is formatted as text. In this case it would be better to use this formula:
=SUMAPRODUCTO(--D4:H4; --D5:H5)
or this formula:
=SUMA(BYCOL(--D4:H5; PRODUCT))
Hope this helps.
IlirU