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How to calculate a number's square route in PHP
Here is the predefined PHP function that can calculate your square routs. Lucky for you there is no need to put together a function yourself;-): $sqrtNumber = sqrt($number); Here is more extensive example: <?php echo "sqrt(3): ".sqrt(3)."<br><br>"; echo "sqrt(15): ".sqrt(15)."<br><br>"; echo "sqrt(17.439): ".sqrt(17.439)."<br><br>"; echo "sqrt(1000000): ".sqrt(1000000)."<br><br>"; ?> The results: sqrt(3): 1.7320508075689 sqrt(15): 3.8729833462074 sqrt(17.439): 4.1760028735622 sqrt(1000000): 1000
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