Computer software for collecting, processing, visualizing and inventory management of quantities of material as well as for displaying measured values and boundary levels, in particular of filling level, volume, pressure, temperature, flow, density, humidity and analyzing values for use in connection with industrial measuring, control and recording instruments, namely pressure sensors, level responsive switches, remote level and pressure indicators, vibrating probe level switches, conductive level switches, sonic level measuring instruments, electrode rod type capacitive level measuring instruments, time delay relays, pulse counters, and digital to analog converters; Computer software for collecting, processing, visualizing and inventory management of quantities of material as well as for displaying measured values and boundary levels, in particular of filling level, volume, pressure, temperature, flow, density, humidity and analyzing values for use in connection with electric and electronic measuring devices for measuring and controlling the filling level of tanks and containers by signaling and actuation and control, namely, electronic, electro-mechanical, optical, laser, capacitive, hydrostatic, ultrasonic, radio, radar, microwave and vibrational level detection sensors and displays