Time recording apparatus, chronographs for use as specialized time recording apparatuses, data processing apparatus, electronic notice boards, speed indicators, measuring apparatus, namely, bevels, laser distance meters, angle finders, precision measuring apparatus, namely, bevels, laser distance meters, angle finders, counters, namely, thread counters, Geiger counters, Lap-counting devices, namely, counters for use during sporting activities, video screens, computer monitors, computer progra...