1.91 不連續性的類型（Types of discontinuities | Limits…

1.81 擠壓定理或三明治定理（Squeeze theorem or sandwich theorem…

1.71 尋找極限的策略（Strategy in finding limits | Limits…

1.63 使用畢達哥拉斯恆等式三角限制（Trig limit using pythagorean…

1.61極限的因式分解（Limits by factoring | Limits and continuity…

1.64 使用雙角恆等式的三角極限（Trig limit using double angle…

1.62極限的有理化（Limits by rationalizing | Limits and…

1.55 極限在不連續的點（Limit at a point of discontinuity）

1.54 分段函數的極限（Limits of piecewise functions | Limits…

1.53 三角函數的極限（Limits of trigonometric functions…

1.52 直接帶入法的未定義（Undefined limits by direct substitution…

1.51 直接代入法（Limits by direct substitution | Limits…