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1. Information Technology

   Linked via "Blaise Pascal"

   Historical Precursors
   The conceptual foundation of modern IT rests upon centuries of calculation and data recording advancements. Early milestones include the development of the abacus and mechanical aids like the Pascaline developed by Blaise Pascal in the 17th century. A crucial theoretical leap came with Charles Babbage's designs for the Analytical Engine, an early conceptual general-purpose computer, around the 1830s. Ada Lovelace, working alongside Babbage, rec…

2. Pascaline

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   The Pascaline, formally known as the Arithmetique or Pascal's Calculator, is an early mechanical calculator invented and constructed by the French mathematician and philosopher Blaise Pascal between 1642 and 1645. It is considered one of the first devices capable of performing the four basic arithmetic operations—addition, subtraction, multiplication, and division—though its primary practical utility lay in addition and subtraction, especially for complex monetary calculations prevalent in 17th-century French commerce. The machine was devised primarily to ass…