While I was researching math topics for a video web page, I encountered the abacus. Granted I know what an abacus is, my daughter, on the other hand, did not. I was surpised by this, but should I be really? Well, no. It is an outdated, outmoded tool. But it's also still used today in many countries. I can't help but think that understanding how to use this tool, con only bolster one's basic math grasp.
Watch the video...see if you're as surprised as I was.
Wow..there's more than one kind of abacus? It's useful in counting systems other than base 10! (ie: hexadecimal) I also learned that abaci, in one form or another, have been around since 500 BC! Dating back to writings from Ovid!
Amazing!
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