Calculator

Calculator, electronic, Divisumma 24, metal / plastic / rubber, designed by Marcello Nizzoli, made by Olivetti, Italy, 1956. Electronic calculator housed in a large rectangular grey painted metal unit, with a sloping keypad at the front. The keypad features 1-9 numeric keys and various function keys in black, white blue and red, all mounted on a maroon coloured base. The plastic cover at the top has a vertical, clear acrylic window at the front, through which a row of red dots and the number '4' are visible. The unit has a paper roll at the back, the paper feeds through to a small platen at the top of the cover. The whole unit sits on 4 small rubber feet.