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perfectsquares
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The answer PERFECTSQUARES has 2 possible clue(s) in existing crosswords.
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The word PERFECTSQUARES is NOT valid in any word game. (Sorry, you cannot play PERFECTSQUARES in Scrabble, Words With Friends etc)
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Definitions of perfectsquares in various dictionaries:
No definitions found
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Possible Crossword Clues |
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What the starred answers start with |
Such as 9 and 16 rather than 1 across and 23, they are absolutely not with it |
Last Seen in these Crosswords & Puzzles |
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Feb 6 2012 L.A. Times Daily |
Apr 15 2009 The Guardian - Cryptic crossword |
Perfectsquares might refer to |
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In mathematics, a Square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3. * The usual notation for the square of a number n is not the product n × n, but the equivalent exponentiation n2, usually pronounced as "n squared". The name square number comes from the name of the shape. The unit of area is defined as the area of a unit square (1 × 1). Hence, a square with side length n has area n2. * Square numbers are non-negative. Another way of saying that a (non-negative) integer is a square number is that its square root is again an integer. For example, √9 = 3, so 9 is a square number. * A positive integer that has no perfect square divisors except 1 is called square-free. * For a non-negative integer n, the nth square number is n2, with 02 = 0 being the zeroth one. The concept of square can be extended to some other number systems. If rational numbers are included, then a square is the ratio of two square integers, and, conversely, the ratio of two square integers is a square, e.g., * * * * * * * 4 * 9 * * * = * * * ( * * * 2 * 3 * * * ) * * * 2 * * * * * * {\displaystyle \textstyle {\frac {4}{9}}=\left({\frac {2}{3}}\right)^{2}} * . * Starting with 1, there are ⌊√m⌋ square numbers up to and including m, where the expression ⌊x⌋ represents the floor of the number x. |