This is the story of the 1970s great calculator race

Pulp Librarian:

In the 1970s the cost – and size – of calculators tumbled. Business tools became toys; as a result prestige tech companies had to rapidly diversify into other products – or die! This is the story of the 1970s great calculator race.

Are you old enough to remember your first “pocket calculator”? We weren’t allowed to use them in school and my dad wouldn’t let me use one for my homework – I had to do the math by hand and he would check it with his calculator. Thanks to Dave Mark for linking to this on Twitter.