GSPcQdDraw any two circles, then the script will draw two possible circles of tangency. When done, drag either of the blue or red points on the circumferences of the respective tangent circles to see their dynamics.                                    c1miihp ihmihRBO1 - Circle 1 centreo8jp \q ~M on Circumference of Circle 1:E¡4Eˇmzz Lc2yT--5Ziwdiw<i|8O2 - Circle 2 centreo8jp \q ~M on Circumference of Circle 2:E¡4Eˇmzz bjiZDD5ZiZixi| Aiwd115ZiyTivi}$kiwd ) )5ZixiyDi}c3Z005ZiyDixi~BivBB5ZiyDiYi~liY - -5Zxa5Z Ciwd--5Ziwicipmiwd--5ZiciviDiv--5ZiciciZ c4x--5ZiciZi EiyD--5ZiZiZiFniyD - -5Zixixic5Z--5Zixixi0Fiv--5Zixixtioixt - -5Zixixi Gix--5Ziwdiyipix--5ZiyixiHix--5Ziyixi|c6x--5Zixik i