calculate logarithms by dividing log() function with log(base) : log « Math « PHP






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calculate logarithms by dividing log() function with log(base)

 
<?php 

$val = 100; 
$i = log($val); 
echo "log($val) = $i\n"; 
$i10 = log($val) / log(10); 
echo "log($val) / log(10) = $i10\n"; 
$i10 = log10($val); 
echo "log10($val) = $i10\n"; 
?>








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