The object of this site is not to simply show large numbers of calculators but to feature representative examples of the various types, and highlight the main steps in the evolution from mechanical to cheap hand-held electronic calculators. A selection of electric and hand operated mechanical calculators. A selection of strange and interesting early electronic desk calculators. Vintage Sterling Currency Calculators Non-decimal mechanical calculators. Calculator time-line Chronology of calculator developments.
Calculator resources Links to other calculator sites.
Where to ask questions. Where to find vintage calculators. Each of the sections shown above is separate. Some pages occur more than once, in different sections. The site is updated as new information and photographs become available.