Our Range of Electronic calculators start from the early 60’s with the Friden 130 transistorized calculator and the Anita Mk9 which used vacuum tubes, through to the Sinclair sovereign which dates to about 1977.
Our Range of Electronic calculators start from the early 60’s with the Friden 130 transistorized calculator and the Anita Mk9 which used vacuum tubes, through to the Sinclair sovereign which dates to about 1977.