GraphingCalculator 3.2; Window 41 53 751 701; PaneDivider 104; 2D.BottomLeft -1.53125 -3.46875; 2D.Axes 0; 2D.GraphPaper 0; Text "Use the mouse to move the points at the terminal ends of the purple vectors. The red vector shows the vector sum of the purple vectors, demonstrating the Triangle Law. "; Color 8; Expr a=2.484375+0.625*i; Color 8; Expr b=2.953125+3.390625*i; Color 3; Expr O=vector(0,0),A=vector(Re(a),Im(a)),B=vector(Re(b),Im(b)); Expr O,A; Expr A,B; Color 2; Expr O,B;