|Produx Original Calculator.|
Calling this device a machine is a stretch because the only moving parts are controlled entirely by using the stylus. I can't get inside the Produx Original without destroying it, but I can safely assume that there are no gears, levers, or mechanical mechanisms inside other than the sliding numerical parts.
So if everything's done manually, you'd think that means this is no less difficult than doing adding or subtracting by hand. And you'd be very wrong. With only a few minutes of practice, I was able to figure out how to quickly add and subtract large numbers without the aid of a manual or guide.
|Green leather case for calculator and stylus.|
Considering this device is over fifty years old, it's in fantastic condition. Even the leather case looks great. This is a calculator that was designed to last as it's made entirely of metal. It's definitely not cheap metal either because it's very difficult to bend (not that I tried that hard).
It's comfortable to hold and looks stunning. Despite it clearly looking like something decades old, there's hardly a scuff on the front of it. The previous owner(s) must have taken good care of this calculator and I hope they can rest easy knowing it's in good hands now.
I purchased this Produx on Ebay for $11.
|Back of Produx Original.|
|Reset handle in use. Sets all values to 0.|
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