Assuming grades are in d18,d19,d20,d21,d22 then put this in e18 and copy
down FOUR
=IF(LEN(TRIM(D18))<1,"",LARGE($D$18:$D$22,ROW(A1)) )

--
Don Guillett
Microsoft MVP Excel
SalesAid Software

"Tony" wrote in message
...
I can't figure out a formula for the following problem:
Student A has the choice of taking 4 out of 5 possible test but if he took
all 5 then the lowest grade would be dropped??