1 янв 2500 г. до нашей эры - Invention of the Acabus
Описание:
The creation of calculators started with the abacus which was invented by the Babylonians roughly around 2500 BC. The invention acted as a means of counting things and spread through Europe and Asia, leading to modified versions.Добавлено на ленту времени:
Дата:
1 янв 2500 г. до нашей эры
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~ 4527 г назад
