• http://ja.wcontology.org/resource/Category:数学ソフトウェア ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具
• http://ja.wcontology.org/resource/Category:数学マークアップ言語 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具
• http://ja.wcontology.org/resource/Category:機械式計算機 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具
• http://ja.wcontology.org/resource/Category:計算用具 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://ja.dbpedia.org/resource/Category:計算用具
    • http://en.wcontology.org/resource/Category:Mathematical_tools
  • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
    • http://wcontology.org/core#topicCategory
  • http://wcontology.org/core#instanceOf ( describe )
    • http://ja.wcontology.org/resource/Category:用途別の道具
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:数学史
    • http://ja.wcontology.org/resource/Category:数学的問題解決
    • http://ja.wcontology.org/resource/Category:コンピュータ史
    • http://ja.wcontology.org/resource/Category:算術
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:計算用具?oldid=55717831
• http://ja.wcontology.org/resource/Category:電卓 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具
• http://ja.wcontology.org/resource/Category:情報機器 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具
• http://ja.wcontology.org/resource/Category:計測機器 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:計算用具