When humans counted on their fingers, everyone had a state-of-the-art (at the time) calculator at all times. But as we got smarter about calculation, we missed that convenience. When slide rules ...

In a viral TikTok post with over 700,000 views, one Apple user warned that their calculator app now has a secret history. The distressed user complained that the app had revealed their habit of ...

There are a few very rare and very expensive calculators with Nixie tube displays scattered about calculator history, but so far we haven’t seen someone build a truly useful Nixie calculator ...

It has programmer, graphing, scientific, data calculation, standard calculators, history feature, and you can also use it for currency conversion, length measurement, area calculation, time ...