A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
try
=IF(ISERROR(IF(AS16081="sched'd",(X16081-N16081)*1440,IF(AS16081="demand",(X16081-K16081)*1440)))=FALSE,"",IF(AS16081="sched'd",(X16081-N16081)*1440,IF(AS16081="demand",(X16081-K16081)*1440)))
=IF(ISERROR(IF(AS16081="sched'd",(X16081-N16081)*1440,IF(AS16081="demand",(X16081-K16081)*1440)))=FALSE,"",IF(AS16081="sched'd",(X16081-N16081)*1440,IF(AS16081="demand",(X16081-K16081)*1440)))