ÿ\NLETTER\6.6\CURVES5.PRGProgram 5 incr1 = 2*(dy-dx); incr2 = 2*dy; r = y1; p = 2dy - 2dx; for (xi=x1; xi<=x2; xi++) { plot(xi,r); if (p >= 0) { r++; p += incr1; } else p += incr2; }