Dihedral           { ; Fractal of the day, 11-06-98
                     ; 5min on a 486-100mhz, 640x480
  reset=1960 type=formula 
  formulaname=parabolic passes=1 center-mag=-0.0000000081\
  6798094/0/328.3634/1.2994e+005
  params=0/0.00015/-1.749852449165/0 float=y maxiter=5000
  bailout=25 inside=0 logmap=221 symmetry=xaxis
  periodicity=10 colors=000ATm<12>EhdEidDhc<15>4h`<6>JN4<\
  15>jUe<3>5bo<18>WzK<11>Fx`<4>7gS<9>T3RV4LW4GT0TQ1WN2Y<1\
  2>_Cw`CyaEv<19>qmDroBqr8<16>sSKtQI<22>oimuht<5>OiOIiIAh\
  C<15>mqJorJrqH<19>myemyfnzg<7>vzlUz_Tz`Sz`8zr<5>Azn
  }

frm:Parabolic {; Jim Muth  real(z),real(c)
z=imag(pixel)+p1,
c=real(pixel)+p2:
z=sqr(z)+c,
|z| <= 16
}