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By Our Calculations, You'll Love The Flapulator
1+ day, 12+ hour ago (538+ words) Oh sure, you've got calculators. There's that phone program of course, and the one that comes with your OS, and the TI-86 and possibly RPN numbers you've had since high school. But what you don't hav. .....
Build This Open-Source Graphics Calculator
3+ week, 2+ day ago (467+ words) Graphics calculators are one of those strange technological cul-de-sacs. They rely on outdated technology and should not be nearly as expensive as they are, but market effects somehow keep prices well. .....
Sliderule Simulator Teaches You How To Do Calculations The Old Fashioned Way
1+ mon, 3+ week ago (277+ words) Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard Carpenter] and [Robert Wolf] have just the thing'a sliderule simulator that can. .. Ever wanted to know how engineers made their calculations before digital…...
How HP Calculators Communicate Over Infrared
2+ mon, 2+ week ago (258+ words) For most people, calculators are cheap and simple devices used for little more than addition and the odd multiplication job. However, when you get into scientific and graphical calculators, the featur. .. For most people, calculators are cheap and simple devices…...
BASIC On A Calculator Again
2+ mon, 4+ week ago (207+ words) We are always amused that we can run emulations or virtual copies of yesterday's computers on our modern computers. In fact, there is so much power at your command now that you can run, say, a DOS emu. .. We are…...
TULIP: The Ultimate Intelligent Peripheral for the HP-41 Handheld Calculator
3+ mon, 2+ week ago (212+ words) TULIP is short for "The Ultimate Intelligent Peripheral" and it's an everything expansion board for the HP-41 line of handheld calculators sold by HP from 1979 to 1990. These particular calculators support Reverse Polish notation which seems to be one of those…...
The Rise of Fake Casio Scientific Calculators
3+ mon, 2+ week ago (155+ words) Here's hoping that Casio fully reverts to the EX-style of UI in its next 991-series calculator and finds a way to curb the spread of bad clones of its currently last good scientific calculator. Had one of these about 15 years…...
Examining The First Mechanical Calculator
5+ mon, 2+ week ago (262+ words) Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite a feat since there…...
Repairing Vintage Sony Luggable Calculators
10+ mon, 6+ day ago (298+ words) You might wonder why you'd repair a calculator when you can pick up a new one for a buck. [Tech Tangents] though has some old Sony calculators that used Nixie "read more You might wonder why you'd repair a calculator…...