Programma 101

Programma 101
A Programma 101
ManufacturerOlivetti S.p.A.
Typedesktop programmable calculators
Release date1965
Memory240 bytes
Input36 Key keyboard
Mass35.5 kg
SuccessorProgramma P102

The Olivetti Programma 101, also known as Perottina or P101, is one of the first "all in one" commercial desktop programmable calculators,[1][2] although not the first.[3] Produced by Italian manufacturer Olivetti, based in Ivrea, Piedmont, and invented by the Italian engineer Pier Giorgio Perotto, the P101 used many features of large computers of that period. It was launched at the 1964 New York World's Fair; volume production started in 1965. A futuristic design for its time, the Programma 101 was priced at $3,200[4] (equivalent to $30,900 in 2023). About 44,000 units were sold, primarily in the US.

It is usually called a printing programmable calculator or desktop calculator because its arithmetic instructions correspond to calculator operations,[5][6] while its instruction set (which allows for conditional jump) and structure qualifies it as a stored-program computer.[7]

  1. ^ "Olivetti Programma 101 Electronic Calculator". The Old Calculator Web Museum. technically, the machine was a programmable calculator, not a computer.
  2. ^ "2008/107/1 Computer, Programma 101, and documents (3), plastic / metal / paper / electronic components, hardware architect Pier Giorgio Perotto, designed by Mario Bellini, made by Olivetti, Italy, 1965–1971". www.powerhousemuseum.com. Retrieved 2016-03-20.
  3. ^ "Olivetti Programma 101 Electronic Calculator". The Old Calculator Web Museum. It appears that the Mathatronics Mathatron calculator preceeded [sic] the Programma 101 to market.
  4. ^ "Cyber Heroes: Camillo Olivetti". Hive Mind. Retrieved 2010-11-07.
  5. ^ "Olivetti Programma 101".
  6. ^ "Note in: WANTED – Data Acquisition Corp. DAC-512". The Old Calculator Web Museum. See footnote.
  7. ^ Cite error: The named reference Bell, Newell was invoked but never defined (see the help page).