In the era of the smartphone, an electronic calculator may seem a bit old-hat. But they continue to hold a fascination in our community, both when used for their original purpose, and as objects for ...

If you are interested in building your very own RPN calculator you might be interested in a new project published to the Instructables website this week by member Shiura. Using a CNC machine, the ...

How many of us have an everyday tool that’s truly unique? Likely not many of us; take a look around your desk and turn out your pockets, but more often than not, what you’ll find is that everything ...

As Micky Mouse (1928–) once famously said: “Arithmetic is being able to count up to twenty without taking off your shoes.” As Micky Mouse (1928–) once famously said: “Arithmetic is being able to count ...

TI calculators use, you know, actual <B>variables</B>, like most other mainstream programming languages.<BR><BR>As I said before, RPN's stack was easier and more efficient to implement with the ...

The iPhone’s original calculator was, to be blunt, a sad little thing. It performed the basic sort of functions that you’d find in your everyday $1 solar credit-card calculator. It was, at least in ...

RPN is slightly more efficient, but infix is vastly more readable. In this case, ease of use wins over efficiency hands down. I write in infix, think in infix, program in infix, why would I change all ...

Editor’s note: Also see Ken Coffman’s blog: The HP15C returns as an iPhone app. With the emergence of hand-sized computers, calculators have lost some of their former prominence, yet they continue to ...