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Origem do símbolo da raiz quadrada

Em 1202, no livro líber abbaci (livro do ábaco ou livro de cálculo) de
Leonardo de Pisa, mais conhecido como Fibonacci, traz da seguinte maneira,
o que hoje chamamos de raiz quadrada: "radixquadratum 16 aequalis4",
escrito em latim, que traduzindo para o português, é: "O lado do Quadrada
de 16 é igual a 4". Podemos perceber que a palavra Radix não tem nada a ver
com Raiz, pois, a tradução correta de Radixé Lado.

Fibonacci, trouxe essa importante informação para a Europa, graças aos
estudos de obras árabes que tinha conhecido quando estava trabalhando
com o seu pai no norte da Africa, como comerciante.

Agora, a origem do símbolo √ está associado ao abreviamento da palavra
radix, que com o passar do tempo, foram se fazendo cópias em cima de
cópias, o que acabou resultando no símbolo que usamos hoje em dia, um
alongamento ou variância da letra r.

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A origem do símbolo da raiz quadrada segundo Fibonacci

  • 1. Origem do símbolo da raiz quadrada Em 1202, no livro líber abbaci (livro do ábaco ou livro de cálculo) de Leonardo de Pisa, mais conhecido como Fibonacci, traz da seguinte maneira, o que hoje chamamos de raiz quadrada: "radixquadratum 16 aequalis4", escrito em latim, que traduzindo para o português, é: "O lado do Quadrada de 16 é igual a 4". Podemos perceber que a palavra Radix não tem nada a ver com Raiz, pois, a tradução correta de Radixé Lado. Fibonacci, trouxe essa importante informação para a Europa, graças aos estudos de obras árabes que tinha conhecido quando estava trabalhando com o seu pai no norte da Africa, como comerciante. Agora, a origem do símbolo √ está associado ao abreviamento da palavra radix, que com o passar do tempo, foram se fazendo cópias em cima de cópias, o que acabou resultando no símbolo que usamos hoje em dia, um alongamento ou variância da letra r.