As personal computing technology became more compact and powerful, EFBs became capable of storing all the aeronautical charts for the entire world on a single three-pound (1.4 kg) computer, compared to the 80 lb (36 kg) of paper normally required for worldwide paper charts.[11] Using EFBs increases safety and enhances the crews’ access to operating procedures and flight management information, enhance safety by allowing aircrews to calculate aircraft performance for safer departures and arrivals as well as aircraft weight and balance for loading-planning purposes accurately.[12]