Ricoh Ricomac 2420 Desktop Calculator
Image Courtesy Takaharu Yoshida
The Ricoh Ricomac 2420 is an OEM version of the Panasonic (Matsushita)
Panac-12W calculator. Ricoh did not make their own electronic calculators,
but instead relied on OEM relationships with existing calculator manufacturers
to use market the manufacturer's calculators (with styling and color scheme
differences) under the Ricoh brand name.
The Ricomac 2420 is a basic four function
office calculator, with 12 digit capacity, and a single memory register.
The machine utilizes small scale integrated circuit technology, as well
as a magnetostrictive delay line for working register storage. It was
introduced in early 1970.
Copyright ©1997-2019, Rick Bensene.