Excerpt from The Modern Preceptor, or a General Course of Education, Vol. 1 of 2: Containing Introductory Treatises on Language, Arithmetic, Bookkeeping, Algebra, Geometry, Geography, Astronomy, Chronology, Navigation, Drawing, Painting, &C., Agriculture, Geology, Moral Philosophy; For the Use of Schools ON allltllme'uc Notation Addition Subtraction Multiplication Division Reduction Proportion Fellowship Practice Interest Fractions, Vulgar...