Calculators

The calculator or computer is used for making computations. There are graphical, mechanical and electronic calculators / computers. The word computer is nowadays reserved for a digital instrument but in the past it was a general term. Calculators used to be of the mechanical type but are now all electronic / digital. Finally before the mechanical or digital calculator there were already graphical calculators where the user plotted one value and obtained another from a graph.

There are 2 products.

Showing 1-2 of 2 item(s)

Active filters

  • Type of use: Navigation