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) = 1/(a4 - b2c2)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1581) lies on these lines:
10,257 37,256 65,291 82,662 171,292 733,831 759,805 876,882
X(1581) = isogonal conjugate of X(1580)
X(1581) = isotomic conjugate of X(1966)
X(1581) = cevapoint of X(I) and X(J) for these (I,J): (1755,1964), (1965,1966)
X(1581) = X(I)-cross conjugate of X(J) for these (I,J): (1821,1956), (1959,1), (2227,75)