ERP is a Modern and responsive small Business management system. It is developed by PHP and Codeigniter framework. It is designed and develops for thinking shop, small business, company and any types of business. Here has accounting, management, invoice,user and data analysis. Sales ERP is comprehensive and elegant ERP solution for Factory, Company, Shop Management System. It is developed by using PHP/Codeigniter. It is designed and Developed by experienced engineers, Keeping all aspects of business needs in view. Sales ERP offers Manufacturing, Accounts, Stock,Sales, Purchase, Income/Expense, Production/Process and Flexible reports. Enterprise resource planning or ERP software is a suite of applications that manages core business processes, such as sales, purchasing, accounting, human resource, customer support, CRM and inventory. It’s an integrated system as opposed to individual software designed specifically for business process. You can use this code for education purpose because you’ll get all C# source code ( attached database ms access & sql ). You can modify this code of your own choice Last Updated : Smooth design & latest pos system code c# added, Complete income statement added. ........THANK YOU