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Miloslav Ciz 2024-03-13 17:00:53 +01:00
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@ -12,7 +12,7 @@ Around 50 AD Heron of Alexandria, an Egyptian mathematician, created a number of
In the 3rd century Chinese mathematician Liu Hui describes operations with **negative numbers**, even though negative numbers have already appeared before. In 600s AD an Indian astronomer Brahmagupta first used the number **[zero](zero.md)** in a systematic way, even though hints on the number zero without deeper understanding of it appeared much earlier. In 9th century the Mayan empire is [collapsing](collapse.md), though it would somewhat recover and reshape.
Year 476 is set to mark the fall of Roman empire and by this the end of Antiquity and **start of Middle Ages**, a time in which technological [progress](progress.md) and [art](art.md) is seen to stagnate a bit. Rome had been [collapsing](collapse.md) slowly but in its downfall it greatly resembled our [current times](21st_century.md), society became split, people got spoiled, lost sense of morality and so on.
Year 476 is set to mark the fall of Roman empire and by this the end of Antiquity and **start of Middle Ages**, a time during which technological [progress](progress.md) and [art](art.md) is seen to stagnate a bit. Rome had been [collapsing](collapse.md) slowly but in its downfall it greatly resembled our [current western society](21st_century.md), it became split, people got spoiled, lost sense of morality, women started to demand [more power](feminism.md) and so on -- Roman empire was basically like the ancient times [US](usa.md) (with a similar relationship to Greece as US has to the older, wiser Europe) with highly [capitalist](capitalism.md) practices ([free trade](free_trade.md), ads, banks, insurance, even industries that achieved quite high mass production, ...), imperialism, [military](military.md) obsession, fascism, constant political fights, pragmatic thinking (e.g. rhetoric, the art of manipulation, was greatly preferred over excellence at [art](art.md)), mass entertainment and huge competitiveness -- this all led to its demise.
In 1429 Persian mathematician al-Kashi computed [pi](pi.md) to about 14 digit accuracy which was a great leap in this discipline.