Tomogoro ONO, a technician and a bureaucrat from the end of Edo period to the beginning of the Meiji period, was also a wasan mathematician, and it is said that he applied wasan for calculating the shipping route of Kanrin Maru (the first Japanese ship ever to cross the Pacific).
幕末・明治初めの技術官僚小野友五郎も和算家であり、咸臨丸の航路の計算には和算を用いたという。