Graphical Linear Algebra(graphicallinearalgebra.net)1 points·by octatoan·11 ปีที่แล้ว·1 commentsgraphicallinearalgebra.netGraphical Linear Algebrahttp://graphicallinearalgebra.net/1 commentsPost comment[–]jyzzmoe·11 ปีที่แล้วreplyA whiff of crankery about this site...