An account of the rotula arithmetica invented by Mr. George Brown.

About this Item

Title
An account of the rotula arithmetica invented by Mr. George Brown.
Author
Brown, George, 1650-1730.
Publication
Edinburgh :: Printed for the author,
1700.
Rights/Permissions

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Subject terms
Arithmetic -- Early works to 1800.
Geometry -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A29742.0001.001
Cite this Item
"An account of the rotula arithmetica invented by Mr. George Brown." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A29742.0001.001. University of Michigan Library Digital Collections. Accessed June 15, 2024.

Pages

5th. EXAMPLE.

If ¾ Ells cost ⅘ lib. what will ⅚ Ells cost?

〈 math 〉〈 math 〉

Answ. 18 sh. 3 ¼. d. & some little more.

Because the last Dividual is the same the Quotient is Infinite.

In this last Example, the Decimal o ⅚ being Infinite; The Product of the dash'

Page 78

Figure, is reckoned on the Segment, but the Product of all the rest, is reckoned on the Integer-Circle,

Item, because the Dividend is Infinite, in Prolongation of the Work I have Reite∣rated the last Figure.

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