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equals sign

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equals sign

In programming, the equals sign (=) is used for equality and copying. For example, if x = 0 means "if X is equal to zero;" however x = 0 means "copy the value zero into the variable X." Double equals signs (==) means equals to in C. For example, if (x == 0) means if X is equal to zero. The unusual use of the double equals sign causes many errors in C programming.



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There is considerable evidence, however, that children, especially those in the age range 5-8 years, consider the equals sign to be an operator rather than a relational symbol (Behr, Erlwanger, & Nichols, 1980).
Place your cursor where you want to insert a cell and then press Ctrl and a plus sign (+) either on the numeric keypad or above the equals sign (=).
 
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