Have you heard the saying “the problem is the solution”? It seems to originate in the permaculture movement, but it can apply equally well to electronics. Take the problem [shiura] ...

As the smartphone has eaten ever more of the gatgets with which we once surrounded ourselves, it’s with some sadness that we note the calculator becoming a less common sight. It’s with pleasure then ...

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 ...

Today is a happy day for engineers everywhere. Well at least for those of us of a certain vintage. HP is introducing a retro model of its first hand-held scientific calculator, the HP-35, to mark the ...

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 ...

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 ...

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 ...

Perhaps I shouldn’t admit this in a public forum, but I love calculators. Not the flimsy things you used to get for free at the bank, or those cheap ones you can find at any supermarket or discount ...