The Mysterious Shooting Message Case Meitantei Conan : Season 1 Episode 14

While The Young Detective Gang are fishing they are witness to someone practicing with a snipers rifle from the top of a nearby building. Conan goes up to investigate and finds a calculator with a bunch of numbers still on the screen, but what does the code mean? It turns out the sniper is a policeman who had disappeared. Will Conan be able to work out the puzzle before it's to late?