17 Jan 1847 Jahr - Boolean Algebra (1847) First seen in George Boole's book, "The Mathematical Analysis of Logic," it a branch of algebra In which the values of the variables are the truth values true and false, usually denoted 1 and 0 respectively. Normal Prime operators, (+,-) are replaced by conjuctions, denoted as ∧ and ∨.

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Robert Asztalos - Calculator Timeline

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20 Okt 2017

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