Mathematics is the abstract study of topics encompassing quantity, structure, space, change, and other properties. It is a prerequisite for theoretical contributions in many other sciences and disciplines.

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What methods did the Old Babylonian society use for solving equations?

According to the Wikipedia article on the Abacus, Ettore Carruccio stated in Mathematics and Logic In History and In Contemporary Thought that the Old Babylonians: may have used the abacus for the ...
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What is the earliest known writing associating the number three with the dimension of the world?

Euclid's elements say: A solid is that which has length, breadth, and depth. This sentence recognizes that there are three dimensions in the world, and it was written in 300 BC. Are there 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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What 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 ...