wolfram-alpha

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This is a Wolfram|Alpha API wrapper for Node.js.

All the query parameters are fully customizable as per the API reference, and the normal 'plaintext,image,sound,mathml' formats are all parsed properly.

Usage

Register for a Wolfram|Alpha application ID. The Wolfram|Alpha® API is available for free for non-commercial experimental use with a low monthly cap on queries. For more information, visit http://products.wolframalpha.com/developers/. Wolfram is a registered trademark of the Wolfram Group of Companies.

Install the module with npm, and (possibly) install the libxml dependency in your OS first:

``sh $ sudo apt-get install libxml2-dev $ npm install wolfram-alpha`

Example usage:

`js var wolfram = require('wolfram-alpha').createClient("APIKEY-HERE", opts);

var results = yield wolfram.query("integrate 2x") console.log("Result: %j", results);`

`Output`


The results calls back with a result array of pods (each pod is typically one of the result blocks on the web interface). An empty results array corresponds to results found.
When results exist, each pod will have the following format:

`js results[0]; { title: "some title", subpods: [ { text: "text found in the

 element",<br />      image: "link found in the <img src=> attribute",<br />      mathml: "mathml string found in the <mathml> element"<br />    },<br />    // maybe more subpods (but often not)<br />  ],<br />  primary: Boolean("was the primary attribute set on the pod?"),<br />  sounds: [<br />    "link found in the first <sound url=> attribute",<br />    // maybe more sounds<br />  ]<br />}<br /></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"></p><p class="my-3">Sounds and mathml will only exist when you request them in the createClient opts.format string, and they are not guaranteed to exist. Text and images can be removed from the opts.format string as well which will likely mean you get much fewer pods.</p><p class="my-3">Having a quick look at the <a href="http://products.wolframalpha.com/docs/WolframAlpha-API-Reference.pdf" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">API reference</a> and the <a href="./wolfram.js" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">short source</a> will prove useful for providing guarantees of what kind of data is available when.</p><p class="my-3">Note that </code>results[0]<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> seems to always be the "Input Interpretation", while </code>results[1]<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> is the most relevant answers (but it will not always have </code>results[1].primary === true<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> despite this).</p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">Running tests</h2><br />Set the API key as an environment variable, then run the library's test command:</p><p class="my-3"></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">bash<br />$ export WOLFRAM_APPID=APIKEY-HERE<br />$ npm test<br /></code>``</p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">License</h2><br />MIT-Licensed. 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status](https://secure.travis-ci.org/clux/wolfram-alpha.svg)](http://travis-ci.org/clux/wolfram-alpha)\n[![dependency status](https://david-dm.org/clux/wolfram-alpha.svg)](https://david-dm.org/clux/wolfram-alpha)\n[![coverage status](http://img.shields.io/coveralls/clux/wolfram-alpha.svg)](https://coveralls.io/r/clux/wolfram-alpha)\n\nThis is a Wolfram|Alpha API wrapper for Node.js.\n\nAll the query parameters are fully customizable as per the [API reference](http://products.wolframalpha.com/docs/WolframAlpha-API-Reference.pdf), and the normal `'plaintext,image,sound,mathml'` formats are all parsed properly.\n\n## Usage\nRegister for a Wolfram|Alpha application ID. The Wolfram|Alpha® API is available for free for non-commercial experimental use with a low monthly cap on queries.  For more information, visit [http://products.wolframalpha.com/developers/](http://products.wolframalpha.com/developers/). Wolfram is a registered trademark of the Wolfram Group of Companies.\n\nInstall the module with npm, and (possibly) install the libxml dependency in your OS first:\n\n```sh\n$ sudo apt-get install libxml2-dev\n$ npm install wolfram-alpha\n```\n\nExample usage:\n\n```js\nvar wolfram = require('wolfram-alpha').createClient(\"APIKEY-HERE\", opts);\n\nvar results = yield wolfram.query(\"integrate 2x\")\nconsole.log(\"Result: %j\", results);\n```\n\n## Output\nThe results calls back with a result array of pods (each pod is typically one of the result blocks on the web interface). An empty results array corresponds to results found.\n\nWhen results exist, each pod will have the following format:\n\n```js\nresults[0];\n{\n  title: \"some title\",\n  subpods: [\n    {\n      text: \"text found in the \u003cplaintext\u003e element\",\n      image: \"link found in the \u003cimg src=\u003e attribute\",\n      mathml: \"mathml string found in the \u003cmathml\u003e element\"\n    },\n    // maybe more subpods (but often not)\n  ],\n  primary: Boolean(\"was the primary attribute set on the pod?\"),\n  sounds: [\n    \"link found in the first \u003csound url=\u003e attribute\",\n    // maybe more sounds\n  ]\n}\n```\n\nSounds and mathml will only exist when you request them in the createClient opts.format string, and they are not guaranteed to exist. 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style="display:none" id="S:1"><div class="space-y-8"><div class="flex flex-col gap-6 lg:flex-row lg:gap-8"><div class="flex-1 space-y-4"><div class="flex flex-wrap items-start gap-3"><h1 class="font-mono text-2xl font-bold sm:text-3xl">wolfram-alpha</h1><div class="flex flex-wrap items-center gap-2"><span data-slot="badge" class="inline-flex items-center justify-center rounded-md border px-2 py-0.5 text-xs font-medium w-fit whitespace-nowrap shrink-0 [&amp;&gt;svg]:size-3 gap-1 [&amp;&gt;svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden border-transparent bg-secondary text-secondary-foreground [a&amp;]:hover:bg-secondary/90 font-mono">v<!-- -->0.6.0</span></div></div><p class="text-lg text-muted-foreground">Wolfram Alpha API</p><div class="flex flex-wrap gap-1.5"><a href="/search?q=wolfram"><span data-slot="badge" class="inline-flex items-center justify-center rounded-md border px-2 py-0.5 w-fit whitespace-nowrap shrink-0 [&amp;&gt;svg]:size-3 gap-1 [&amp;&gt;svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden text-foreground [a&amp;]:hover:bg-accent [a&amp;]:hover:text-accent-foreground text-xs font-normal hover:bg-accent">wolfram</span></a><a href="/search?q=alpha"><span data-slot="badge" class="inline-flex items-center justify-center rounded-md border px-2 py-0.5 w-fit whitespace-nowrap shrink-0 [&amp;&gt;svg]:size-3 gap-1 [&amp;&gt;svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden text-foreground [a&amp;]:hover:bg-accent [a&amp;]:hover:text-accent-foreground text-xs font-normal hover:bg-accent">alpha</span></a><a href="/search?q=api"><span data-slot="badge" class="inline-flex items-center justify-center rounded-md border px-2 py-0.5 w-fit whitespace-nowrap shrink-0 [&amp;&gt;svg]:size-3 gap-1 [&amp;&gt;svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden text-foreground [a&amp;]:hover:bg-accent [a&amp;]:hover:text-accent-foreground text-xs font-normal hover:bg-accent">api</span></a><a href="/search?q=wolframalpha"><span data-slot="badge" class="inline-flex items-center justify-center rounded-md border px-2 py-0.5 w-fit whitespace-nowrap shrink-0 [&amp;&gt;svg]:size-3 gap-1 [&amp;&gt;svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden text-foreground [a&amp;]:hover:bg-accent [a&amp;]:hover:text-accent-foreground text-xs font-normal hover:bg-accent">wolframalpha</span></a></div><div class="flex flex-wrap gap-4 text-sm text-muted-foreground"><span class="flex items-center gap-1.5"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-download h-4 w-4"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path><polyline points="7 10 12 15 17 10"></polyline><line x1="12" x2="12" y1="15" y2="3"></line></svg><span class="font-medium text-foreground">13</span>/week</span><span class="flex items-center gap-1.5"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar h-4 w-4"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path></svg>Updated <!-- -->3 years ago</span></div><div class="text-sm"><span class="text-muted-foreground">Published by </span><a class="font-medium hover:underline" href="/~Eirik%20Albrigtsen">Eirik Albrigtsen</a></div></div><div class="w-full space-y-4 lg:w-80"><div class="rounded-lg border bg-card"><div dir="ltr" data-orientation="horizontal" data-slot="tabs" class="flex flex-col gap-2"><div role="tablist" aria-orientation="horizontal" data-slot="tabs-list" class="text-muted-foreground inline-flex h-9 items-center w-full justify-start rounded-none border-b bg-transparent p-0" tabindex="-1" data-orientation="horizontal" style="outline:none"><button type="button" role="tab" 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data-orientation="horizontal" data-slot="tabs" class="flex flex-col gap-2 w-full"><div role="tablist" aria-orientation="horizontal" data-slot="tabs-list" class="bg-muted text-muted-foreground inline-flex h-9 w-fit items-center justify-center rounded-lg p-[3px]" tabindex="-1" data-orientation="horizontal" style="outline:none"><button type="button" role="tab" aria-selected="true" aria-controls="radix-_R_aav5ubrb_-content-readme" data-state="active" id="radix-_R_aav5ubrb_-trigger-readme" data-slot="tabs-trigger" class="data-[state=active]:bg-background dark:data-[state=active]:text-foreground focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:outline-ring dark:data-[state=active]:border-input dark:data-[state=active]:bg-input/30 text-foreground dark:text-muted-foreground inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-sm font-medium whitespace-nowrap transition-[color,box-shadow] 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href="http://img.shields.io/npm/v/wolfram-alpha.svg" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">![npm status</a>](https://www.npmjs.org/package/wolfram-alpha)<br /><a href="https://secure.travis-ci.org/clux/wolfram-alpha.svg" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">![build status</a>](http://travis-ci.org/clux/wolfram-alpha)<br /><a href="https://david-dm.org/clux/wolfram-alpha.svg" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">![dependency status</a>](https://david-dm.org/clux/wolfram-alpha)<br /><a href="http://img.shields.io/coveralls/clux/wolfram-alpha.svg" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">![coverage status</a>](https://coveralls.io/r/clux/wolfram-alpha)</p><p class="my-3">This is a Wolfram|Alpha API wrapper for Node.js.</p><p class="my-3">All the query parameters are fully customizable as per the <a href="http://products.wolframalpha.com/docs/WolframAlpha-API-Reference.pdf" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">API reference</a>, and the normal <code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">'plaintext,image,sound,mathml'</code> formats are all parsed properly.</p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">Usage</h2><br />Register for a Wolfram|Alpha application ID. The Wolfram|Alpha® API is available for free for non-commercial experimental use with a low monthly cap on queries.  For more information, visit <a href="http://products.wolframalpha.com/developers/" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">http://products.wolframalpha.com/developers/</a>. Wolfram is a registered trademark of the Wolfram Group of Companies.</p><p class="my-3">Install the module with npm, and (possibly) install the libxml dependency in your OS first:</p><p class="my-3">``<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">sh<br />$ sudo apt-get install libxml2-dev<br />$ npm install wolfram-alpha<br /></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"></p><p class="my-3">Example usage:</p><p class="my-3"></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">js<br />var wolfram = require('wolfram-alpha').createClient("APIKEY-HERE", opts);</p><p class="my-3">var results = yield wolfram.query("integrate 2x")<br />console.log("Result: %j", results);<br /></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"></p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">Output</h2><br />The results calls back with a result array of pods (each pod is typically one of the result blocks on the web interface). An empty results array corresponds to results found.</p><p class="my-3">When results exist, each pod will have the following format:</p><p class="my-3"></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">js<br />results[0];<br />{<br />  title: "some title",<br />  subpods: [<br />    {<br />      text: "text found in the <plaintext> element",<br />      image: "link found in the <img src=> attribute",<br />      mathml: "mathml string found in the <mathml> element"<br />    },<br />    // maybe more subpods (but often not)<br />  ],<br />  primary: Boolean("was the primary attribute set on the pod?"),<br />  sounds: [<br />    "link found in the first <sound url=> attribute",<br />    // maybe more sounds<br />  ]<br />}<br /></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"></p><p class="my-3">Sounds and mathml will only exist when you request them in the createClient opts.format string, and they are not guaranteed to exist. Text and images can be removed from the opts.format string as well which will likely mean you get much fewer pods.</p><p class="my-3">Having a quick look at the <a href="http://products.wolframalpha.com/docs/WolframAlpha-API-Reference.pdf" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">API reference</a> and the <a href="./wolfram.js" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">short source</a> will prove useful for providing guarantees of what kind of data is available when.</p><p class="my-3">Note that </code>results[0]<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> seems to always be the "Input Interpretation", while </code>results[1]<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> is the most relevant answers (but it will not always have </code>results[1].primary === true<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono"> despite this).</p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">Running tests</h2><br />Set the API key as an environment variable, then run the library's test command:</p><p class="my-3"></code>`<code class="bg-muted px-1 py-0.5 rounded text-sm font-mono">bash<br />$ export WOLFRAM_APPID=APIKEY-HERE<br />$ npm test<br /></code>``</p><p class="my-3"><h2 class="text-xl font-semibold mt-5 mb-3">License</h2><br />MIT-Licensed. 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