He has tutorials on how to draw in Excel here in Japanese: <a href="http:&#x2F;&#x2F;www2.odn.ne.jp&#x2F;~cbl97790&#x2F;kakikataHSK07.htm" rel="nofollow">http:&#x2F;&#x2F;www2.odn.ne.jp&#x2F;~cbl97790&#x2F;kakikataHSK07.htm</a>