After the establishment of San tokugosho, those who learned for seven years and passed Hoshi were appointed as San hakase or Sanshi (a court official in charge of calculation) and placed in the Shukeiryo (account office), Shuzeiryo (bureau of taxation), Dazai-fu (local government office in Kyushu region), Zogusho (ministry of making and mending palaces) (later Shurishiki (The Palace Repairs Office) and Mokuryo (Bureau of Carpentry), and were also made lower provincial governors who handled land tax accountancy and other such matters.
算得業生成立後は、7年学習して奉試に及第すると合格者は算博士や主計寮・主税寮・大宰府・造宮省（後には修理職・木工寮）に設置されていた算師に任じられる他、地方の下級国司となって租税会計事務などを扱った。