2014-01-06 Some links of DirectXMath BLOG MATH MSDN DirectXMath Programming Guide (English) http://msdn.microsoft.com/en-us/library/windows/desktop/ee415571(v=vs.85).aspx MSDN DirectXMath Programming Reference (English) http://msdn.microsoft.com/en-us/library/windows/desktop/ee415574(v=vs.85).aspx About matrix major types in "A word on Matrices" Catalin ZZ's Blog (In Japanese : 行列の行優先・列優先について) http://www.catalinzima.com/2012/12/a-word-on-matrices/