Today , in this world almost all accountants use calculator for different calculation like calculating of interest , discount and rate etc. But , I ask one question from you , do you know the basic history of calculator ? Actually calculator's history is related with china and china had invented calculator in the form of an abacus , after this different inventions brought it in present form .
Watch the following video in which Prof. Stag Jonson also told the history of calculator . After this you will understand how became calculator ??