formula            {
  reset=1960 type=formula 
  formulaname=Formula254 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:Formula254 {; Giuseppe Zito
 z = pixel ,
c3 = -0.092155
c4 = 0.036722
c7 = -0.029237
d0 = 0.10496
d1 = 0.011968
d9 = 0.229837
  : 
 x = real(z), y = imag(z)
s0 = x
s0 = s0 +x
s0 = s0 *c3
s0 = s0 *c4
s0 = s0 +x
s0 = s0 +y
s0 = s0 *c7
s0 = s0 -y
newx = s0 
s0 =d0
s0 = s0 *d1
s0 = s0 /y
s0 = s0 +y
s0 = s0 +x
s0 = s0 -d9
newy = s0 
z = newx + flip(newy)
 newx < 4 && newx > -4 && newy < 4 && newy > -4 
}