Get your own PHP server Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<body>
<?php
echo(log1p(2.7183) . "<br>");
echo(log1p(2) . "<br>");
echo(log1p(1) . "<br>");
echo(log1p(0));
?>
</body>
</html>
1.3132665745863
1.0986122886681
0.69314718055995
0