An extremely simple warehouse software, warehouse calculator. It allows to organize elementary warehouse calculation for a small own business. Its assignment is keeping private bookings on a warehouse. Just a few keystrokes execute the following actions: Adding products to a warehouse; Subtracting products from a warehouse; Changing product price; Product search; Sorting product list; Reviewing product movement; Removing product from a warehouse; And some other actions... In the main window a product list, product movement and information entry field are represented. The program saves codes, names, prices, last movement dates and product rests in a warehouse (product quantity and cost). All movements are saved for each product. The target group for the program are mobile users who keep bookings directly at a warehouse, so the program is optimized for working on a laptop. Still, desktop PC users can easily use the program.