Wednesday, March 30, 2016

Fact of the Day: Abacus

Long before calculators and even a written numerical system existed the abacus which helped very many ancient civilizations with calculations. Despite its ancient origins, it's still widely used by merchants in parts of Africa and Asia today. 

7 comments:

Debra She Who Seeks said...

Makes me think of slide rules too, as technology that has been surpassed by computers.

DVArtist said...

It is sad that kids don't even know what this is.

Anna-Alina said...

I have almost the same one!

Martha said...

I didn't know they were still being used!

Pat Hatt said...

Useful still to this day, stands the test of time

Christine said...

I never learned how to use one, pre-calculator days.

bj said...

they are so interesting...