You can move the points A, B and C (click on the point and drag it).
Press the keys “+” and “−” to zoom in or zoom out the visualization window and use the arrow keys to translate it.
You can also construct all centers related with this one (as described in ETC) using the “Run Macro Tool”. To do this, click on the icon , select the center name from the list and, then, click on the vertices A, B and C successively.
|Information from Kimberling's Encyclopedia of Triangle Centers|
Trilinears f(a,b,c) : f(b,c,a) : f(c,a,b), where f(a,b,c) = bc/[(a - b)2(a + b - c) - (c - a)2(c + a - b)]
Barycentrics g(a,b,c) : g(b,c,a) : g(c,a,b), where g(a,b,c) = af(a,b,c)
X(666) lies on these lines:
99,919 101,514 105,898 190,522 239,294 527,673 644,668 645,670 1026,1027
X(666) = isogonal conjugate of X(665)
X(666) = isotomic conjugate of X(918)