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All these mechanical numpad + calculator has the display sank at the keyboard skirt level, which makes the view to the display blocked a bit by the keycaps. It is even better to have a design that raise the display higher up or pull at a raised angle.
The insides of a typewriter or mechanical calculator are beautifully dynamic, and one can figure out how they work using just one's intuition on how things move. Take apart a modern calculator and unless you've studied a considerable amount of electronics, all you'll see is a board with a dollop of black goop slapped on it.
Fruit machines (mechanical gambling machines/one armed bandits) work in a similar way, I've rebuilt one before, and it's fascinating how it works, a big mechanical computer with 7 bits of ram. Amazing considering how old they are, pretty sure they predate mechanical calculators.
Basically it's a calculator, macropad, a fully-fleged esp32 module with battery and micro-sd support all in one you can upload programs via the usb-c port Software plans: basic calculator stuff, derivative/intergral calculator, equation solver macropad games? hope you guys like it :)
Mechanical computers are awesome, my favorite examples are WW2-era USN fire control systems and the Kommandogerät, essentially a primitive ECU, on the Fw 190, though if I remember right those were electromechanical and hydromechanical respectively.
I’d recommend the ti36x - pro. It’s a really great calculator for engineering. It’s not a graphing calculator, but honestly I’ve never had the need for an actual graphing calculator. It does everything I’ve ever needed, has lot of really great features and is pretty affordable compared to high end graphing calculators.
While a mechanical calculator could have hundreds of parts, a microprocessor can have the equivalent over over 4 billion, and they're all so small you can't see them, or even comprehend how it works even if you do look at the bare die under a microscope.
A place to share pictures and discuss the usage and repair of mechanical calculating machines. Brands include, but are not limited to: Friden, Facit, Monroe, Curta, Marchant, Felt & Tarrant, Burroughs
Mechanical calculator Related Topics Mechanical keyboard Computer keyboard Computer hardware Computer Information & communications technology Technology
Using a mechanical calculator, as a proof, shows more about the calculator than the nature of math.