Collaborate Disseminate
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 …read more Continue reading Arduino Nano Powers Reverse Polish Notation Calculator
[Ziggurat29] had been playing around with infrared protocols, and realized he had a spare point-of-sale printer kicking around in his junk box. So he decided to whip up his own …read more Continue reading DIY Infrared Calculator Printer
It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge challenge since at that time calculators were the size of typewriters and plugged into wall sockets for their power. Kilby, who’d co-invented the integrated circuit just seven years earlier while at TI, lived to solve problems.
By the time they landed, Kilby had decided they should come up with a calculator that could fit in your pocket, cost less than …read more
Continue reading The Flight That Made The Calculator And Changed The World
When writing a recent piece about Reverse Polish Notation, or RPN, as a hook for my writing I retrieved my Sinclair Scientific calculator from storage. This was an important model in the genesis of the scientific calculator, not for being either a trailblazer or even for being especially good, but for the interesting manner of its operation and that it was one of the first scientific calculators at an affordable price.
I bought the calculator in a 1980s rummage sale, bodged its broken battery clip to bring it to life, and had it on my bench for a few years. …read more
Continue reading Teardown With A Twist: 1975 Sinclair Scientific Calculator
A mysterious and delightful YouTube channel is gracing the world with songs made using Amazon-bought calculators. Continue reading The Mario Theme Song Played on 4 Calculators Is a Dose of Good Internet