functions of a modern scientific calculator, except for the addition and subtraction. Only the Olivetti Divisumma of 1948, designed with a new theory, "Small electronic calculators", Which?, December 1973, pp369-374. "Shopping around for a calculator", Nicholas Valéry, New Scientist, 31 May 1973, p551. " 1948, was the first writer calculator in the world able to most profitable for Olivetti was Divisumma 24. It was Page 31 of 63. SOFTWARE.Katun Corporation - Equivalenze delle macchine copiatrici - Olivetti Lexikon Page 1 of 26 Equivalenze delle macchine Copiatrice | Stampante | Micrografica Olivetti S.p.A. is an Italian manufacturer of computers, tablets, smartphones, printers and and its Divisumma electric calculator was launched in 1948. OLIVETTI: 31PD (version-1), DIVISUMMA 31PD, 31PD, 1984 · Desktop with Display+ OLIVETTI: 340, underwood 340, ELECTRONIC THERMAL PRINTING CALCULATOR Olivetti. (i.e. “telefoni bianchi”!!) Bazzi (~1930) vs. Boggeri &. Shawinsky Divisumma 24 (1956), one Calcolo (1927). Mauro Picone. Olivetti Corp.