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A league can also be a unit of area, used to express the area of land, that is equal to 25 million square varas. A (square) league is equivalent to about 4,428.4 acres (1,792.11 ha). It was used in the archaic system of old Spanish land grants affecting Texas and parts of adjoining states and this use of league is used throughout the Texas ...
Historias de Calculadora (in Spanish) – A list of calculator-spellable Spanish words, and Logo code to convert them to numbers The Ultimate List – An 824 word list and an extended 1455 word list of English words possible to display on an upside down calculator, HTML code to aid their creation plus three 'micro stories' using only the ...
A non-negative integer is a square number when its square root is again an integer. For example, =, so 9 is a square number. A positive integer that has no square divisors except 1 is called square-free. For a non-negative integer n, the n th square number is n 2, with 0 2 = 0 being the zeroth one. The concept of square can be extended to some ...
A square whose side length is a triangular number can be partitioned into squares and half-squares whose areas add to cubes. This shows that the square of the n th triangular number is equal to the sum of the first n cube numbers. Also, the square of the n th triangular number is the same as the sum of the cubes of the integers 1 to n.
The square of an integer may also be called a square number or a perfect square. In algebra, the operation of squaring is often generalized to polynomials, other expressions, or values in systems of mathematical values other than the numbers. For instance, the square of the linear polynomial x + 1 is the quadratic polynomial (x + 1) 2 = x 2 ...
In some places, the large number names were then applied to the smaller numbers, following the new punctuation scheme. Thus, in France and Italy, some scientists then began using billion to mean 10 9 , trillion to mean 10 12 , etc. [ 28 ] This usage formed the origins of the later short scale.
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Denotes square root and is read as the square root of. Rarely used in modern mathematics without a horizontal bar delimiting the width of its argument (see the next item). For example, √2. √ (radical symbol) 1. Denotes square root and is read as the square root of. For example, +. 2.