=SUMPRODUCT(LARGE(A1:A5,ROW(INDIRECT("1:3")))^2)

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HTH

Bob Phillips

(replace somewhere in email address with gmail if mailing direct)

"Denise" wrote in message
...
I have a form that has six areas where a number of 1 - 6 will be entered.

I need a formula that will square the 3 highest numbers and and add the
three together -

Example -
1
2
4
4
5

The numbers 4 and 5 will be squared and added together for a total of 57