计算导数。
AskSia使用正确的规则对函数求导,并标记每一步。
输入曲线和x值或点。AskSia计算导数,在您的点上求值得到斜率,代入点斜式,化简,并在同一坐标轴上绘制曲线和切线。
曲线y=f(x)在x=a处的切线斜率为f'(a),并通过点(a, f(a))。使用标准微分规则计算f'(x),在x=a处求值得到斜率m。代入点斜式:y - f(a) = m(x - a)。化简为斜截式或其他首选形式。切线在局部上近似曲线,是线性化和牛顿法的基础。
每一步都透明,每一个答案都经过自检。
AskSia使用正确的规则对函数求导,并标记每一步。
通过代入计算f'(a),并显示算术过程。
AskSia应用点斜式并化简为y = mx + b或任何请求的形式。
曲线和切线显示在同一坐标轴上,并标记切点。
用手机拍摄手写或打印的题目,从任何在线作业门户粘贴,或使用完整的LaTeX支持进行键入。
每个答案都经过自检。Sia在您提交作业前会捕获符号错误和代数错误。
键入表达式,从作业中粘贴,拍照或说出来。AskSia解析您的输入并识别结构。
根据问题结构,AskSia选择最简洁的解决方案路径,并为每个步骤标记执行的操作。
最终结果会附带代入或复合检查。同一概念的练习题只需轻点一下即可获得。
Every solve syncs across Web, iOS, and Android — start it at your desk, finish on your phone.
Split-panel interface with the worked solution on the left, the auto-generated diagram and AI tutor chat on the right.
Open the camera, frame the problem, and the worked solution plus diagram appear in seconds.
求y = x^3在x = 2处的切线。f'(2) = 12,应用点斜式。
求y = sin(x)在x = pi/4处的切线。使用f'(x) = cos(x)。
求y = e^x在x = 1处的切线。使用f'(x) = e^x。
对于x^2 + y^2 = 25在点(3, 4)处,使用隐式微分找到斜率。
L(x) = f(a) + f'(a)(x-a)近似a附近的f。
粘贴您的候选答案和原始问题。AskSia会展示过程,标记任何偏差步骤,并告诉您正确的最终值。
General chatbots hallucinate. Photo solvers stop at math. AskSia is built for actual coursework with verified accuracy, visual learning, and every subject.
| Feature | AskSia Solver | ChatGPT | Photo Solvers |
|---|---|---|---|
| Solution accuracy | ✓ 98% | ~70-85%, hallucinations | ~90%, math only |
| Auto-generated diagrams | ✓ Every solve | Inconsistent / broken | Graphs only, math-only |
| Step-by-step explanations | ✓ Numbered + plain English | Inconsistent depth | ✓ Math steps |
| Subject coverage | ✓ Math, Physics, Chem, Bio, CS, Econ | ✓ Wide but unverified | Math only |
| Photo input | ✓ Handwriting + diagrams + code | Photos OK, weak on handwriting | ✓ Math photos only |
| Answer verification | ✓ Self-checked before display | No verification | Math engine only |
| Tutor follow-ups | ✓ Hints, alt methods, ELI5 | ✓ General chat | Not available |
| Practice and flashcards | ✓ One-tap from any solve | Manual prompting | Not available |
| Code debugging | ✓ Python, Java, C++, SQL... | ✓ Yes | Not available |
| Free to start | ✓ Daily solves, no card | Limited model access | Steps locked behind paywall |