Abstract: A computer controlled apparatus for grain elevators which includes a computer with keyboard and display and suitable output devices such as a printer and which receives inputs from sensing devices such as scales and moisture analyzers and sensors and which records and retains grain transactions as the grain is weighed and unloaded and in which samples of the grain are selected and analyzed in a moisture meter. The elevator operator inputs with the keyboard particular customer numbers and other desired information and the apparatus eliminates weigh ticket writing and prints over the scale transactions automatically and provides instant decision data such as marketing data so that the accounting functions can be automatically selected.