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Pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen. [2]
In 1642, in an effort to ease his father's endless, exhausting calculations, and recalculations, of taxes owed and paid (into which work the young Pascal had been recruited), Pascal, not yet 19, constructed a mechanical calculator capable of addition and subtraction, called Pascal's calculator or the Pascaline.
Middle Ages c. AD 500 – 1500 A medieval stained glass panel from Canterbury Cathedral, c. 1175 – c. 1180, depicting the Parable of the Sower, a biblical narrative Including Early Middle Ages High Middle Ages Late Middle Ages Key events Fall of the Western Roman Empire Spread of Islam Treaty of Verdun East–West Schism Crusades Magna Carta Hundred Years' War Black Death Fall of ...
The main material used for jewelry design in antiquity and leading into the Middle Ages was gold. [1] Many different techniques were used to create working surfaces and add decoration to those surfaces to produce the jewelry, including soldering , plating and gilding, repoussé , chasing , inlay, enameling, filigree and granulation, stamping ...
The late Middle Ages or late medieval period was the period of European history lasting from 1300 to 1500 CE. The late Middle Ages followed the High Middle Ages and preceded the onset of the early modern period (and in much of Europe, the Renaissance). [1] Around 1350, centuries of prosperity and growth in Europe came to a halt.
Middle Ages – periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era . It is the middle period of a three-period division of Western history: Classic , Medieval and Modern .
Miniature on l. 5 verso of the Codex Amiatinus, which opens the Old Testament.It shows Ezra as a monastic scribe. Florence, Laurentian Library. Historiography in the Middle Ages (in Russian: Средневековая историография, in German: Mittelalterliche Geschichtsschreibung, in French: Historiographie médiévale) is an intentional preservation of the memory of the past in ...
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