I am not aware of a square key on a calculator. To get a square input number to be squared followed by multiply (X) and then = to get the answer. If it is square root your are referring to then insert the number which you want to find the square root of followed by the square root key. This brings up the required answer. Hope this helps.
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Use a calculator with a square root button on it ;) By the way, Google said 10.8166538
They are the squares of the numbers 1 to 31. Use a calculator to find them.
I would use a calculator, since I know that 1525 is not a perfect square. sqrt(1525) = 39.05 (approx).
According to my calculator, that would be 11111.11106... Do you not own a calculator?
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