Back in the ancient days of yesteryear, calculators were physical devices with buttons. Now they’ve been replaced by the phone in your pocket. If you miss those days, but still like your phone, this ...

The FPGA revolution that occurred within the past few decades was a boon to many people interested in “antique” electronics. The devices “wire together” logic elements as needed rather than emulating ...

There’s something about Reverse Polish Notation (RPN) and the calculators that use it. It calls to mind a time when a calculator was a serious tool, and not just a throwaway toy. Created in the legacy ...

For a brief time in the 1970s, the calculator represented the height of office design chic. Desktop calculators came in pops of primary colors or encased in wood paneling. They were expensive. Elite.

Sharp was a frontrunner among the many companies that began developing calculators throughout the 1960s and 1970s. Until 1970, Sharp was only the trade name of the Hayakawa Electric Industry Company; ...

Everyone learns in grade school that you can’t divide by zero, but few of us ever learn (or fully understand) why. The stock answer is that it gives you an answer of infinity. The truth is a bit more ...

What you see above is not a calculator. Or rather, it’s not the calculator you think it is. Rather, it is the latest software-only implementation of the classic Hewlett Packard scientific calculator, ...

Iofree has created a new retro mechanical calculator called the Digit which it has launched via Kickstarter this week and already blasted past its required pledge goal thanks to over 450 backers with ...

What do you do when your trusty, 45 year old calculator finally needs to be retired? If you’re a programmer with a knack for making things — like Simon Boak — you custom build a replacement. This is ...