1. , . x y. , | x - y2 | <= err, err . 1/2 *(y + x/y), . abs: abs(-5) = 5.
:
% 5
% 1
% 0.05
?- newton(5, 1, 0.05, Z)
Z=2.2380953
2. . . .
3. N- . . .
1. N N . , triangle(N, T), , T N.
2. , , :
3. between(N1, N2, X), X, N1 £ X £ N2.
4. , , , () .
,
?- fact(3, S)
S=1*2*3
3