formula { reset=1960 type=formula formulaname=Formula954 center-mag=2.8e-006/8.465e-006/0.1610499 viewwindows=4.2/0.75/yes/300/0 colors=cye<62>0A40A41B5<55>cyeCNO<4>7GK5EJ6FK<29>dxxfzzfyy<29>DCRCAPDBQ<\ 29>ieskgtjft<29>47S } frm:Formula954 {; Giuseppe Zito z = pixel , c0 = -0.063801 d1 = 0.136092 d4 = 0.052044 d6 = 0.566749 : x = real(z), y = imag(z) s0 =c0 s0 = s0 +y newx = s0 s0 = y s0 = s0 *d1 s0 = s0 -x s1 =d4 s2 = y s2 = s2 +d6 s1 = s1 *s2 s1 = s1 /y s0 = s0 +s1 newy = s0 z = newx + flip(newy) newx < 4 && newx > -4 && newy < 4 && newy > -4 }