Almost certainly the cost of publication caused the delay, but Bowditch did not just put the work on one side after 1818 but continued to improve it over the succeeding years. Bowditch was helped by Benjamin Peirce in this project and his commentaries doubled the length of the book.
Halos tiyak ang gastos ng publication sanhi ng pagka-antala, ngunit Bowditch hindi lamang ilagay ang trabaho sa isang tabi matapos ang 1818 ngunit patuloy na mapabuti ito sa succeeding years. Bowditch ay tumulong sa pamamagitan ng Benjamin Peirce sa proyektong ito at ang kanyang commentaries lambal ang haba ng libro.