Person — Joseph-Louis Lagrange. Featured in chapters 10 · 42 · 45 Linked atoms 5 linked atoms. 10 Equazioni di secondo grado e fratte How a continued fraction is computed 42 Derivate Lagrange’s Theorem The remainder — Lagrange, Peano, Cauchy 45 Teoremi del calcolo Consequences of Lagrange: increase and decrease Lagrange’s theorem