--- a/www/includes/formulas.php Mon Feb 04 20:56:44 2019 +0100 +++ b/www/includes/formulas.php Tue Feb 05 21:55:22 2019 +0100 @@ -1,6 +1,9 @@ <?php define('EURO', chr(128)); +define('DEG', chr(176)); + +define('SUGARDENSITY', '1.611'); define('MMCa', '40.048'); define('MMMg', '24.305'); @@ -266,6 +269,15 @@ +function kettle_cm($vol, $kettle_vol, $kettle_height) { + + if (($vol > 0) && ($kettle_vol > 0) && ($vol <= $kettle_vol)) + return 100 * ((1 - $vol / $kettle_vol) * $kettle_height); + return 0; +} + + + /* Brouwhulp data.pas