Changes between Comwin 2.0 up to Comwin 3.0 Improvements to the Forecasting module. New program to calculate the best response factor. By analysing a set of statistics you choose, the program calculates the forecast bias and Mean Absolute Deviation (MAD), for each response factor in the range you specify. It then displays the result graphically. Faster calculations. We have improved the way the calculation programs read statistics. Rewritten Supplier Invoice module. Now you can quickly and easily tie any number of invoice lines to any combination of goods reception lines. Override the supplier. If the supplier who sends you the invoice is not the same as the one to who you sent the order you can select another supplier when searching for matching goods reception lines. Override the article. If the article on the invoice is not the same as the article on the goods reception line they can still be found and tied together. Force acceptance and payment - even if the value of the goods received does not agree with the value of the Invoice lines. This feature can only be used if the user is authorised to do so. Management can control it. Combine multiple invoices and credit notes, or credit lines on an invoice. The system keeps track of the total value of the lines, and of the related goods received, and warns you not to pay until both are equal. New Supplier Invoice Link Information. program. Lets you easily see which invoice lines are tied to which goods reception lines for which order lines. Service degree measurement. From statistics collected every time the system is used, graphs can be displayed, showing the average number of articles out of stock, and the average inventory value, for every month since the system was started. New Visual Supplier Order Entry program. Previously you could enter the supplier and article information in the normal order entry program, or, generate the order from the Forecast module's purchase recommendations. Now you can select the article group and have the new visual entry program display all information in the system about similar articles. You see the supplier, the price, the lead time etc. and simply click on the ones you like. The program automatically generates orders. Vastly improved graphics. Multiple currency handling. Stock locations. For each warehouse in the system you can define valid stock locations and the system will keep track of how many of each article are in each location. Improved System upgrade program. It is now much easier to install a new version or release of the software and convert your data to it. Authorise or forbid certain users to manually change cost price and/or quantity in stock for an article. If changed the program now writes audit trail transactions which can be fed to an external accounting system. New program to display overdue Supplier Orders. Big improvements to Customer Invoicing. Save preliminary invoice lines with too low stock. When converting from a preliminary to a final invoice, the program now checks the stock quantity and warns you if an invoice line will drive the quantity below zero. You then have three choices. Continue, driving the quantity negative, save the lines on a new preliminary invoice, which can be processed later when the goods arrive, or, abort the operation completely and leave the preliminary invoice as it was. Work with selected invoice types. When working with previously entered invoices, you can now choose to only look at a subset of the whole file by selecting the invoice type. Copy between invoice types. You can now set-up dummy invoice type to hold pre-defined standard invoices which can be copied to real invoice types as required.