Andy Aaron makes calculators. Unlike the cheap, solar-powered drugstore calculator on your desk, his adding machines are gorgeous pieces of machinery, assembled to look like something you might find ...

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 ...

With the modern onslaught of newfangled portable computers, the once mighty pocket calculator has fallen to the wayside. Let us remember the calculator’s glory days with 128 different brands and 582 ...

What’s sitting on [Bob Alexander]’s desk in the video below did not start out life as the desktop calculator it appears to be. Turning it into a standalone calculator with features the original ...

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 ...

The Casio S100X-JC1-U is a limited edition calculator with only 650 pieces manufacturered. It's finished with a traditional Japanese lacquering technique, for an exquisite look. If there was one end ...

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.