I just finished reading Empire of the Sum which is a book telling the history of calculators, and has an entire chapter on Olivetti and the Programma 101. Highl

I just finished reading Empire of the Sum which is a book telling the history of calculators, and has an entire chapter on Olivetti and the Programma 101. Highly recommend if you're interested in calculators. https://www.goodreads.com/en/book/show/62585968 https://www.goodreads.com/en/book/show/62585968