A mobile tool for carrying out simple mathematical equations, the Curta was the best pocket calculator until the advent of the electric calculator. Now, thanks to the 3D-printing prowess of Charlotte, ...

The CURTA mechanical calculator literally saved its inventor’s life. [Curt Herzstark] had been working on the calculator in the 1930s until the Nazis forced him to focus on building other tools for ...

I was just in an email ‘conversation’ with someone when I mentioned my Curta mechanical calculator, and he responded “Pictures Please!” so here we are… Just in case you haven’t heard about this before ...

I first learned about the Curta from this January 2004 article in Scientific American, by Cliff Stoll. Unfortunately, the article is not available for free. But you can purchase a PDF of the whole Jan ...

The CURTA mechanical calculator literally saved its inventor’s life. [Curt Herzstark] had been working on the calculator in the 1930s until the Nazis forced him to focus on building other tools for ...

Look, we know that the Curta Calculator is old. 1948 old in fact, after it was first conceived by Curt Herzstark while imprisoned in the Buchenwald concentration camp. Still, why not introduce the ...

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Today, many people use smartphone calculator apps, but in the past, mechanical calculators were used instead of electronic calculators. Since its appearance in 1948, the ' Kurta Calculator ', which ...

I worked with a guy who found one of these at an estate sale in a box of used camera lenses. He didn't know what it was but it looked expensive and said "Made in Germany" so he figured it was worth ...