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The Elements, Analysis And Practice Of Arithmetic: Vulgar, Decimal, And Duodecimal, In All The Parts Of Modern Business, Mercantile Or Mechanical (1771)
The Elements Analysis And Practice Of Arithmetic Vulgar Decimal And Duodecimal In All The Parts Of Modern Business Mercantile Or Mechanical - 1771 Author:William Gordon, Robert Dobson With Plane Trigonometry, Rectangular And Oblique, Applied To The Computation Of Heights And Distances, On The Earth, On The Sea, And In The Heavens, By Arithmetic Only.