Fatal error: Uncaught Error: Class "MathPHP\NumericalAnalysis\NumericalIntegration\NumericalIntegration" not found in /home/cfostools/public_html/cfostools.evoqas.com/vendor/markrogoyski/math-php/src/NumericalAnalysis/NumericalIntegration/RectangleMethod.php:28 Stack trace: #0 {main} thrown in /home/cfostools/public_html/cfostools.evoqas.com/vendor/markrogoyski/math-php/src/NumericalAnalysis/NumericalIntegration/RectangleMethod.php on line 28