Hi guys, is there anyway someone can explain and also change this formula's into one i can use in 2003 excel? as i am not entirely sure how to..
thanks..

{=IFERROR(INDEX('Pm Holiday'!$B$23:$B$387,SMALL(IF(INDEX('Pm Holiday'!$E$23:$EN$387,0,MATCH($I$3,'Pm Holiday'!$E$1:$EN$1,0))<>"",ROW('Pm Holiday'!$E$23:$EN$387)-ROW($F$23)+1,""),ROWS($F$23:F23))),"")}
{=IFERROR(INDEX($AK$8:$AK$100,MATCH($F10&I$7,$AM$8:$AM$100&$AL$8:$AL$100,0)),"")}
=IFERROR(VLOOKUP(I10,'Pm Holiday'!$B$23:$AV$386,MATCH(Overview!$I$3,'Pm Holiday'!$B$1:$AV$1,0),0),"")