This Casio MEMORY B-1 fluorescent screen calculator is a vintage model made in Japan, and it is in perfect working order. The calculator features a fluorescent screen, is made in Japan, and has basic calculation and memory storage functions. The buttons are sensitive, the screen display is clear, and it is fully functional. The casing shows normal signs of use and wear on the edges, giving it a retro feel; it's a classic electronic item from the 70s and 80s. Batteries are not included.