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"The sixt Definition. A Whole number is either a unitie, or a compounded multitude of unities."
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Simon StevinPositional numeration had been in full use for many centuries before i — Simon Stevin
"Positional numeration had been in full use for many centuries before it was realized that among the advantages of the method was its great facility in handling fractions. Even then the realization was far from complete, as may be gleaned from the cumbersome superscripts and subscripts used by Stevin and Napier. ...all that was necessary to bring the scheme to full effectiveness was a mark such as our modern decimal point... Yet... the innovators... with the exception of Kepler and Briggs, either did not recognize this fact, or else had no faith that they could induce the public to accept it. Indeed, a century after Stevins discovery, a historian... remarked Quod homines tot sententiae (As many opinions as there are people), and it took another century before decimal notation was finally stabilized and the superfluous symbols dropped. [Included table indicates Simon Stevins notation for 24.375 was: 24 3^{(1)} 7^{(2)} 5^{(3)}.]"
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Simon Stevin
Simon Stevin
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Simon Stevin, sometimes called Stevinus, was a Flemish mathematician, scientist and music theorist. He made various contributions in many areas of science and engineering, both theoretical and practical. He also translated various mathematical terms into Dutch, making it one of the few European languages in which the word for mathematics, wiskunde, was not a loanword from Greek but a calque via La
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"The second Definition. Number is that which expresseth the quantitie of each thing."
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Simon StevinQuote
"The seventh Definition. The Golden Rule, or Rule of three, is that by which to three tearmes given, the fourth proportionall tearme is found."
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Simon StevinQuote
"...the use of the Disme ...to teach such as doe not already know the use and practize of Numeration, and the foure principles of common Arithmetick, in whole numbers, namely, Addition, Substraction, Multiplication, & Division, together with the Golden Rule, sufficient to instruct the most ignorant in the usuall practize of this Art of Disme or Decimall Arithmeticke"
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Simon StevinQuote
"Multiplication of whole Numbers ...Note, that for the more easie solution of this proposition, it were necessary to have in memory the multiplication of the 9 simple Characters among themselves, learning them by rote out of the Table here placed..."
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Simon StevinQuote
"[The books of Euclid pass on to us] something admirable and very necessary to see and to read, namely the order in the method of writing on mathematics in that aforementioned time of the wise age."
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Simon Stevin