Questions tagged [mathematics]

For questions specific to the history of mathematics, the abstract study of topics encompassing quantity, structure, space, change, and other properties. General questions about mathematics are off-topic but might be asked on Mathematics Stack Exchange.

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Do any of the commercially produced Hinton cubes still exist?

In the late 1800’s and early 1900’s, British mathematician Charles Howard Hinton developed a system for visualizing the fourth dimension in his books “A New Era of Thought” and “The Fourth Dimension”. ...
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Who was Ahmad al-Barbir al-Tarabulusi, and did he write about an old number-based middle-eastern joke about homosexuality?

While reading the book From one to zero. A universal history of numbers by the French historian Georges Ifrah I came across a retelling about an old joke about homosexuality but I cannot find any ...
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When was the first recorded use of hospital readmissions as a summary statistic?

When was the first recorded use, or the first recorded intention of use of hospital readmissions as a summary statistic? A hospital readmission (also called a rehospitalization) is defined as a ...
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When is the first recorded instance of the lo-shu square?

The lo-shu square (洛書) is a 3×3 grid of numbers, usually written as dots: Legend traces its origin to the legendary Yu the Great (大禹) or Fu-hi (伏羲) ~3000 years ago, but I'm interested in historically ...
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Is there a source for the claim that the Oxford Calculators used math to analyze sin?

In Pythagoras' Trousers, Margaret Wertheim states we should note that the Oxford Calculators also attempted to apply mathematical analysis to qualities such as sin, charity, and grace. (54). ...
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Are there any portraits of Joseph Lagrange made during his lifetime?

I have seen several portraits at Google Search, but it seems some of them are just modified copies of others of dubious origins. Like this seems to be a "manlier" copy of this.