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Graphics Interchange Format  |  1996-06-06  |  36.9 KB  |  376x271  |  8-bit (104 colors)
   ocr: (a) x C2(x)=PA* - - 2(LO(x)-1 (b) L2(x)= LOG)+CI0)-C20) Figure 7: (a) - - Parabola tbat closely approximates this residual error; (b) twice-corrected approximation.