有理函数图像探索

GeoGebra 命令及参数

1. Textfield(a) → InputBox1
2. Textfield(b) → InputBox2
3. Textfield(c) → InputBox3
4. Textfield(d) → InputBox4
5. Textfield(f) → InputBox5
6. Textfield(g) → InputBox6
7. Textfield(h) → InputBox7
8. If(q(g) ≟ 0 ∧ r(g) ≟ 0, "√", "X") → text5
9. If(r(f) ≟ 0 ∧ q(f) ≠ 0, "√", "X") → text6
10. If(p(h) ≟ 0, "√", "X") → text7
11. If(Length[Mode[l1]] ≟ 0, "No digits repeat!", "You have repeated digits.") → text8