The textbooks of mathematics, arts and sciences in senior two are different all over the country, but they are roughly as follows: science: compulsory 2 (initial analytic geometry and solid geometry), elective 2- 1 (conic curve), elective 2-2 (principle of classification and numeration), elective 2-3 (arrangement and combination), liberal arts: compulsory 2 (initial analytic geometry and solid geometry) and elective 65433.