JF Ptak Science Books Quick Post
Sometimes the rote and the routine as practice by young hands two hundred years ago can yield some surprising and beautiful results. And so we find the beauty in these columns of arithmetic problems, practiced by a young girl in Philadelphia in 1806. The work is determined and taken all together is just a lovely thing. (And yes there’s a mistake here and there but it doesn’t matter, not really.)
See also: Mathematical Art, the End of Simple Multiplication (1814), here.
And again in this “numeration table” where we see the
