Mine
public text v1 · immutable<?php
$lamba = 45.6333; $phi = -72.9333;
$x = $lamba - 0;
$y = asinh(tan($phi));
printf("x:%f y:%f\n",$x, $y);
?>
<?php
$lamba = 45.6333; $phi = -72.9333;
$x = $lamba - 0;
$y = asinh(tan($phi));
printf("x:%f y:%f\n",$x, $y);
?>