Fatal error: Uncaught Error: Class 'Brick\Math\Internal\Calculator' not found in E:\xampp\htdocs\webhost_v2\vendor\brick\math\src\Internal\Calculator\BcMathCalculator.php:16 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v2\vendor\brick\math\src\Internal\Calculator\BcMathCalculator.php on line 16