The ALT code for the square root symbol is ALT+251. ALT codes are used as shortcuts for inserting common symbols, such as dashes, mathematic symbols or foreign characters, quickly. They are used by holding down the ALT key while entering in the specific number sequence.
Continue ReadingThe square root symbol is extremely common in mathematics starting at the prealgebra level. The square root of a number is any number that when multiplied by itself gives the original value. While the positive square root is generally the one people are most interested in, there are also negative square roots. For instance, the square roots of 144 are both -12 and 12.
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