Question

How to use sqrt() function to get the square root of N in PHP

Answer 1

echo "sqrt(9) = " . sqrt(9) . "<br />";
echo "sqrt(1024) = " . sqrt(1024) . "<br />";
echo "sqrt(100) = " . sqrt(100) . "<br />";
echo "sqrt(2) = " . sqrt(2) . "<br />";


/*
run:
    
sqrt(9) = 3
sqrt(1024) = 32
sqrt(100) = 10
sqrt(2) = 1.4142135623731
      
*/

 

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