The ACE was one of the first electronic stored-program digital computers. The Automatic Computing Engine (ACE) Pilot Machine which was developed at the National Physical Laboratory as the trial model of Turing’s pioneering ACE design.This paper is widely recognised as being foundational for computer science. A mathematical table and formulae from Turing’s seminal 1936 paper “On Computable Numbers, with an application to the Entscheidungsproblem” Proceedings of the London Mathematical Society.The design on the reverse of the note celebrates Alan Turing and his pioneering work with computers. News and publications Open News and publications sub menu.Option-implied probability density functions Gross Domestic Product Real-Time Database The PRA’s statutory powers and enforcement Money Markets Committee and UK Money Markets Code Greening our Corporate Bond Purchase Scheme (CBPS) Operational resilience of the financial sector Wholesale cash distribution in the futureįinancial market infrastructure supervision