The abacus has been around since antiquity, and takes similar forms over the hundreds of cultures that have embraced it. It may be one of the first devices to be considered as having a “user interface ...

For this series, we've been thinking a lot about some of the iconic objects that some of us remember using — if only for a short period of time — in our early schooling. Slide rules, the recorder, ...

Learning to use an abacus qualifies as a Big Pointless Goal, something that Gloria Liu describes in her recent article in the Atlantic as “an aspiration that lacks grand purpose, yet requires ...

Many teachers still rely on this centuries-old calculating device to provide a hands-on approach to math. For this series, we've been thinking a lot about some of the iconic objects that some of us ...

In my ongoing quest to master new skills and stay current with technology, I’ve taken up a new hobby — learning to use an abacus. OK, it’s not what you’d call cutting edge. According to Wikipedia, the ...

Remember the days when math wasn't just about numbers on a screen? Enter the abacus, that ancient counting tool that looked ...