Shady Char­ac­ters advent calendar 2023: Wilhelm Schickard’s Rechenuhr

Welcome to day four of the first ever Shady Characters advent calendar! I’m counting down to Christmas by way of a collection of beautiful, clever, important, and/or outright odd calculators and calculating devices. Some come from the pages of Empire of the Sum, some are part of my Calculator of the Day series, and some will be new to the blog. I won’t manage twenty-four posts, but I do plan to hit at least one every other day. I hope you enjoy the series!

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Shady Char­ac­ters advent calendar 2023: Napier’s bones

Welcome to day three of the first ever Shady Characters advent calendar! I’m counting down to Christmas by way of a collection of beautiful, clever, important, and/or outright odd calculators and calculating devices. Some come from the pages of Empire of the Sum, some are part of my Calculator of the Day series, and some will be new to the blog. I won’t manage twenty-four posts, but I do plan to hit at least one every other day. I hope you enjoy the series!

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Shady Char­ac­ters advent calendar 2023: Chinese counting rods

Welcome to day two of the first ever Shady Characters advent calendar! I’m counting down to Christmas by way of a collection of beautiful, clever, important, and/or outright odd calculators and calculating devices. Some come from the pages of Empire of the Sum, some are part of my Calculator of the Day series, and some will be new to the blog. I won’t manage twenty-four posts, but I do hope to hit at least one every other day. I hope you enjoy the series!

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Shady Characters advent calendar 2023: the tally stick

Welcome to day one of the first ever Shady Characters advent calendar! This is all a little experimental, but I plan to count down to Christmas by way of a collection of beautiful, clever, important, and/or outright odd calculators and calculating devices. Some come from the pages of Empire of the Sum, some are part of my Calculator of the Day series, and some will be new to the blog. I won’t manage twenty-four posts, but I do hope to hit at least one every other day. I hope you enjoy the series!

Read more →