純じゅん正せい数すう学がくMeaningsNoun1. pure mathematicsKanji used純pure正correct数number学studyComposed of純じゅん正せいpure; genuine; real; pure (of a subject of study; as opposed to applied, practical, etc.); genuine (parts, accessories, etc.); official; first-partyNa-adjective数すう学がくmathematicsNoun