课堂用工具

GeoGebra 命令及参数

1. Textfield(H) → InputBox1
2. Textfield(V) → InputBox2
3. Textfield(a) → InputBox3
4. Segment((0, 1), (10, 1)) → g
5. Point(g) → A_1
6. Segment((0, 1), A_1) → A
7. Segment(A_1, (x(A_1) + 1, 1)) → ΔA
8. Segment((0, 2), (f(x(A_1)), 2)) → B
9. Segment((f(x(A_1)), 2), (f(x(A_1) + 1), 2)) → ΔB
10. Point(f) → D
11. Sequence((i, f(i)), i, 0, x(D), 1) → list1
12. Sequence(Segment[(i, 0), (i, f(i))], i, 0, x(D), 1) → list2
13. Sequence(Segment[(0, f(i)), (i, f(i))], i, 0, x(D), 1) → list3
14. Segment(D, (x(D), 0)) → l
15. Segment(E, (x(E), 0)) → m
16. Segment((0, 0), (0, y(D))) → q
17. Segment((0, 0), (x(D), 0)) → r