comment hulpprogramma R 764, reversie van reeks, MLP 270362 / 1786;
begin	real b, c, d, e, B, C, D, E, F, G;
	b:= -.189140; c:= .1960144; d:= -.0171937; e:= .00068778;
	B:= - b; C:= 2 * b ** 2 - c; D:= 5 * b * c - d - 5 * b ** 3;
	E:= 6 * b * d + 3 * c ** 2 + 14 * b ** 4 - e - 21 * b ** 2 * c;
	F:= 7 * b * e + 7 * c * d + 84 * b ** 3 * c - 28 * b ** 2 * d - 28 * b * c ** 2 - 42 * b ** 5;
	G:= 8 * c * e + 4 * d ** 2 + 120 * b ** 3 * d + 180 * b ** 2 * c ** 2 + 132 * b ** 6
	    - 36 * b ** 2 * e - 72 * b * c * d - 12 * c ** 3 - 330 *b ** 4 * c;
	NLCR; FLOT (12, B); NLCR; FLOT (12, C); NLCR; FLOT (12, D);
	NLCR; FLOT (12, E); NLCR; FLOT (12, F); NLCR; FLOT (12, G)
end