Question

Electronic ledger that tracks mathematical data

Answer 1

These kinds of systems are usually installed in the cockpits of aircrafts. It is an electronic computer-controlled display system. It is made up of several kinds of systems constituting the whole.  The purpose of such a kind of display is to increase and widen the field of vision and decrease any kind of visual disturbances from the surroundings. The Flight Data Display another constituent of the system constantly updates the pilots with the status of and data related to the flight. This also includes information about the aircraft itself and navigation information too.