Home > Calculator Technology
The pages linked from here explain some of the calculator technology that may be encountered. Electronic calculators developed very rapidly through the 1960s and early 1970s and technology soon became obsolete.
Click on a picture for more details and more bigger pictures.
Examples of common mechanical calculator mechanisms
The development of calculator electronics.
The development of calculator electronic displays.
Some of the different types of keyboard layout that may be encountered.
© Text & photographs copyright Nigel Tout 2000-2021 except where noted otherwise.