1956

• Production : 1956 - 1964
• Display : printer
• Power : AC
• Made : Italy


• Electro-mecanical calculator
• The first full automatic 4 operations calculator
• Heavy (14.6 kg) and 70 W !
• Designed by Marcello Nizzoli


• Impressive internal view
• Advertising

1960

• Production : 1960 - 1974
• Display : printer
• Power : manual
• Made : Italy


• Mecanical calculator
• Designed by Marcello Nizzoli


• Additional information 1
• Additional information 2
• Advertising
• Manual

DIVISUMMA 18

1973

• Production : 1973
• Display : Printer
• Power : 3 x NiCd
• Made : Italy


• Printer calculator designed by
  Mario Bellini exposed in the MoMA museum in New-York
  
  
• Advertising #1
• Advertising #2
• Additional information 1
• Additional information 2
• Additional information 3

LOGOS 7

1978

• Production : 1978 - 1980
• Display : VFD 12
• Power : 4 x AA (R)
• Made : Japan


• Printer calculator designed by
  Mario Bellini
• Business calculator with data/time
  calculations


• Manual on the back
• Additional information
• Advertising

LOGOS 9
black

1980

• Production : 1980 - 1981
• Display : LCD 8
• Power : 9 V (R)
• Made : Japan


• Printer calculator designed by
  Mario Bellini
• The first and only LCD calculator
  from Olivetti
• Black version


• Additional information
• Advertising
• Advertising (swi)

LOGOS 9
silver

1980

• Production : 1980 - 1981
• Display : LCD 8
• Power : 9 V (R)
• Made : Japan


• Silver version