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Purpose |
Return the square root of its argument. |
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Syntax |
y = SQR(numeric_expression) |
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Remarks |
numeric_expression must be greater than or equal to zero. SQR calculates square roots using an optimized algorithm. That is, y = SQR(x) takes less time to execute than y = x^0.5. Attempting to take the square root of a negative number does not produce any run-time errors, but the results of such an operation are undefined. SQR returns an Extended-precision result. |
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See also |