ExpressMRP is a software for MRP (Material Resources Planning), forecasting and production simulation in manufacturing companies. It tends to be simple, yet powerful tool for ad-hoc MRP calculation, planning and simulation often needed in process industries. The program is especially suitable for dynamic manufacturing companies that produce many different products, handle variety of raw materials and often change production schedules and priorities. In such dynamic manufacturing companies it is of essential importance to be able to to forecast material shortage in time, in order to be able to react on time. ExpressMRP is designed to be the answer to such situations, being a tool for fast, ad-hoc MRP planning, production simulation and optimization. It is a bless for planners and production managers, that are facing stressful strugle to deliver products in time. If you purchase ExpressMRP source code, you get platform independant source code that you can use to create your own derivative product.