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  1. I know this isn't free, but the Wolfram Alpha mobile phone app has a one-time cost of $2.99 (at least on Android) and offers step-by-step solutions without needing a Pro account. Share Improve this answer

  2. Sympy Gamma is an open-source interface for Sympy that resembles Wolfram Alpha. Unlike Wolfram Alpha, it is not yet able to parse natural-language commands, but I am planning to implement this feature using the Nearley parser generator.

  3. Jan 6, 2017 · 昨天下了这个软件,但是不知道定积分如何表示出来。举个例子,这个∫后面上下的2和9怎么表示?

  4. Jul 21, 2015 · The reason I want to find a Wolfram Alpha open source alternative is because I am interested in using a Wolfram Alpha-like system for one of my projects. Edit: I have found a program that is a demo for a Python module known as quepy. The program can take in natural language and search DBpedia.org or Freebase (two common knowledgebases) for results.

  5. Dec 13, 2017 · In many ways, Wolfram|Alpha is the first "killer app" for NKS (see Stephen Wolfram's blog post). How does Wolfram|Alpha relate to the MathWorld website? Wolfram|Alpha includes a large fraction of the systematic knowledge in MathWorld, adapted into fully computable form. Wolfram|Alpha gives sidebar links to MathWorld when appropriate.

  6. 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容,聚集了中文互联网科技、商业、影视 ...

  7. Wolfram|Alpha具体的技术实现是怎样的呢? 看到知乎上有人问过类似的问题,其中提到WA的第一版是用约五百万行的 Mathematica 代码编写的,并且在 10000 个中央处理器上运行。

  8. Wolfram的优势 [图片] Wolfram技术包括数千种内置函数和个不同领域的精选数据从而帮助您: 快速模拟透镜、反射镜及其他光学仪器的特性 设计太阳能聚光器、激光、照相机的镜头等 将…

  9. 访问从 Wolfram|Alpha 得到的科学数据,立即用于交互式或者程序式的分析 ». 强大的编程语言以及内置并行计算开发新的分析算法或者求解复杂的射线跟踪问题与 C/C++、Python、Java、数据库以及其他应用程序的集成 »

  10. Sep 26, 2016 · 这个问题我看过(有空把原来问题的回答补上)。 Mathematica没错,因为Mathematica始终是在复数域上进行开方运算的。

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