Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/m/mecenasdavida/www/calculator/conexion.php:17 Stack trace: #0 /home/m/mecenasdavida/www/calculator/form_calculo.php(12): require() #1 {main} thrown in /home/m/mecenasdavida/www/calculator/conexion.php on line 17