...,VLOOKUP(J4,data,3,FALSE)<(X4/0.84)),(X4/0.95)+(((VLOOKUP(J4,data,3,FALSE)
-(X4/0.95))*0.4))-Z4))<=0.02,"Correct","Check"),"")))
and to do anything in the spreadsheet takes along time. So I'm going to put the above into vba so it only works it out when I click a button
Cheers
Chris