Examples taken from http://amath.colorado.edu/documentation/LaTeX/reference/tables/ .

k	x1k	x2k	x3k	remarks
0	-0.3	0.6	0.7
1	0.47102965	0.04883157	-0.53345964	*
2	0.49988691	0.00228830	-0.52246185	s3
3	0.49999976	0.00005380	-0.52365600
4	0.5	0.00000307	-0.52359743	e < 10-5
7	0.5	0	-0.52359878	e < x

k	x1k	x2k	x3k	remarks
0	-0.30000000	0.60000000	0.70000000	x0
1	0.47102965	0.04883157	-0.53345964
2	0.49988691	0.00228830	-0.52246185
3	0.49999976	0.00005380	-0.52365600	e < d
4	0.50000000	0.00000307	-0.52359743	("n > N)
7	0.50000000	0.00000000	-0.52359878	e << z

Iteration k of f(xn)
k	x1k ..		x2k		x3k		remarks
0	-0	.3	0	.6	0	.7	-
1	0	.47102965	0	.04883157	-0	.53345964	d < e
2	0	.49988691	0	.00228830	-0	.52246185	d < e
3	0	.49999976	0	.00005380	-0	.523656	N
4	0	.5	0	.00000307	-0	.52359743
	..		···
7	0	.5	0	.0	-0	.52359878	d < 10-8