30:[{"id":"cc69c5f589ac93681d90c5bab559aca32d119c78981aaa4b47b194b376aacc1dae27d7729e35f70bd7dd30358fe5f5ae94feed3fad7204e51b02742f3ad55517","href":"https://static.observableusercontent.com/files/cc69c5f589ac93681d90c5bab559aca32d119c78981aaa4b47b194b376aacc1dae27d7729e35f70bd7dd30358fe5f5ae94feed3fad7204e51b02742f3ad55517","name":"image@5.png","type":"image/png","lastModified":1693816366617.358,"size":245736}] 2e:{"title":"Wolfram Alpha on Observable ","cells":[{"id":0,"value":"# Wolfram Alpha on Observable ${icon(\"wolframalpha-color\")}","pinned":false,"hidden":false,"mode":"md"},{"id":1335,"value":"Embed answers from [Wolfram Alpha](https://wolframalpha.com) into your notebooks.","pinned":false,"hidden":false,"mode":"md"},{"id":1123,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":446,"value":"To fetch answers, get an app ID from the [developer portal](https://developer.wolframalpha.com/portal/myapps/) and `import with` it:","pinned":false,"hidden":false,"mode":"md"},{"id":535,"value":"```js\nimport {\n wolfram,\n wolframExpanded,\n wolframSolve,\n wolframSolveExpanded,\n wolframDemo\n} with { appId } from \"@jerryjappinen/wolfram-alpha\"\n\n// Use your own API key:\nappId = \"ABC123-DEF456\" // or `appId = Secret('myAppId')`\n```\n\nSee [@observablehq/secrets](https://observablehq.com/@observablehq/secrets) to learn more about secrets.","pinned":false,"hidden":false,"mode":"md"},{"id":833,"value":"By default, a demo ID is used. It will eventually hit the API's query limit and break your notebooks if you don't use your own.","pinned":false,"hidden":false,"mode":"md"},{"id":310,"value":"// Demo key\nappId = \"UKPGG2-543XEVGK3R\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":1119,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":532,"value":"### Secrets in shared notebooks\n\nIf you can't or don't want to type `Secret()` for your app ID when importing, try these workarounds.\n\n#### Workaround 1\n\nCreate your own \"wolfram\" notebook, import (as shown above) and then share `wolfram` and other functions from there.\n\nIn your other notebooks, you can then import wolfram and solve from your own file rather than this public one. Your app ID will always be used.\n\n#### Workaround 2\n\nStore secrets on a proxy server. See [@endpointservices/public-api-keys](https://observablehq.com/@endpointservices/public-api-keys).","pinned":false,"hidden":false,"mode":"md"},{"id":857,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":367,"value":"# Usage","pinned":false,"hidden":false,"mode":"md"},{"id":482,"value":"### wolfram(`input`, `[options]`)\n\nGet a simple, quick one-line response from Wolfram Alpha.","pinned":false,"hidden":false,"mode":"md"},{"id":588,"value":"async function wolfram(input, options) {\n var response = await wolfie.fetch(input, options);\n var data = response.data;\n\n // Unwrap curly braces for friendlier formatting in notebooks\n if (\n data &&\n data.substr &&\n data.substr(0, 1) == \"{\" &&\n data.substr(-1) == \"}\"\n ) {\n data = data.substr(1, data.length - 2);\n\n // Unwrap second level of curly braces\n if (data.substr(0, 1) == \"{\" && data.substr(-1) == \"}\") {\n data = data.substr(1, data.length - 2).replaceAll(\"}, {\", \", \");\n }\n }\n\n return data;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":725,"value":"wolfram(\"Circumference of Earth\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":630,"value":"wolfram(\"How high is the Empire State Building?\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":658,"value":"wolfram(\"How far is Los Angeles from New York\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":861,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":596,"value":"### wolframExpanded(`input`, `[options]`)\n\nAsk any question from Wolfram Alpha and get the answer as an image into your notebook. Clicking on the image takes you to wolframalpha.com.","pinned":false,"hidden":false,"mode":"md"},{"id":276,"value":"wolframExpanded = function (input, options) {\n const opts = options || {};\n const width = 2 * (opts.width || 400);\n const fontsize = 2 * (opts.fontsize || opts.fontSize || 14);\n\n const src = markdownSafeUrl(\n wolframImageUrl(input, {\n ...opts,\n width,\n fontsize\n })\n );\n const href = markdownSafeUrl(wolframLink(input));\n return html` $\"Wolfram$ `;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":225,"value":"wolframExpanded(\"Circumference of Earth\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":865,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":487,"value":"### wolframSolve(`equation`)\n\nShorthand for Wolfram Alpha's `solve()` command.","pinned":false,"hidden":false,"mode":"md"},{"id":287,"value":"// unknown defaults to 'x'\n// Note that Wolfram Alpha does not understand an arbitrary variable name (e.g. \"acceleration\" will not work)\nfunction wolframSolve(equation, unknown) {\n return wolfram(`solve(${equation}, ${unknown || \"x\"})`);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":240,"value":"wolframSolve(\"x^2/20=2400^4\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":872,"value":"It's trivial to compose the equation with variables in your notebook:","pinned":false,"hidden":false,"mode":"md"},{"id":437,"value":"{\n var force = 100; // N\n var mass = 50; // kg\n\n return wolframSolve(`${force} = ${mass} * a`, \"a\");\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":880,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":611,"value":"### wolframSolveExpanded(`equation`)\n\nGet an expanded solution as an expanded image:","pinned":false,"hidden":false,"mode":"md"},{"id":609,"value":"function wolframSolveExpanded(equation, unknown) {\n return wolframExpanded(`solve(${equation}, ${unknown || \"x\"})`);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":754,"value":"wolframSolveExpanded(\"x^2/20=2400^4\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":1058,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":1062,"value":"### ~~wolframDemo(`demoSlug`)~~\n\n~~Embed a [Wolfram Demo](https://demonstrations.wolfram.com/VisualizingVectorFields/) into your notebook. Use the `demonstrationSlug` you see in the URL of each demo on `demonstrations.wolfram.com`.~~\n\n~~You don't need an app ID if you only want to embed demonstrations:~~\n\n**These demo embeds no longer seem to work 🤷**","pinned":false,"hidden":false,"mode":"md"},{"id":1374,"value":"function wolframDemoUrl (demoSlug) {\n return `https://demonstrations.wolfram.com/${demoSlug}/`\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":1386,"value":"function wolframDemoLink (demoSlug) {\n return md`[${_.capitalize(_.startCase(demoSlug).toLowerCase())}](${wolframDemoUrl(demoSlug)})`\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":1067,"value":"function wolframDemo (demoSlug) {\n return embed(`\n

\n`);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":1080,"value":"wolframDemo('ContinuousAndDiscreteTimeDiscounting')","pinned":true,"hidden":false,"mode":"ojs"},{"id":1377,"value":"wolframDemoLink('ContinuousAndDiscreteTimeDiscounting')","pinned":false,"hidden":false,"mode":"ojs"},{"id":741,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":375,"value":"# Utilities","pinned":false,"hidden":false,"mode":"md"},{"id":1008,"value":"These are helper functions used internally. You probably don't need these.","pinned":false,"hidden":false,"mode":"md"},{"id":1015,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":470,"value":"Get the raw URL of an image result.","pinned":false,"hidden":false,"mode":"md"},{"id":264,"value":"function wolframImageUrl(input, options) {\n return wolfie.getImageUrl(input, options);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":459,"value":"Get a link to wolframalpha.com with the given query prefilled.","pinned":false,"hidden":false,"mode":"md"},{"id":297,"value":"function wolframLink (input) {\n return wolfie.getClientUrl(input)\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":896,"value":"Encodes the input query so that the images work in Observable's Markdown renderer.","pinned":false,"hidden":false,"mode":"md"},{"id":337,"value":"function markdownSafeUrl (url) {\n return url.replace(/\$/g, \"%28\").replace(/\$/g, \"%29\")\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":940,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":944,"value":"Shorthands for `wolframSolve` and `wolframSolveExpanded`. These are only here for backwards-compatibility and will be removed at some point.","pinned":false,"hidden":false,"mode":"md"},{"id":922,"value":"solve = wolframSolve","pinned":false,"hidden":false,"mode":"ojs"},{"id":927,"value":"solveExpanded = wolframSolveExpanded","pinned":false,"hidden":false,"mode":"ojs"},{"id":745,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":1101,"value":"Demonstrations are embedded using [@jerryjappinen/embed](https://observablehq.com/@jerryjappinen/embed)","pinned":false,"hidden":false,"mode":"md"},{"id":1068,"value":"import { embed } from \"@jerryjappinen/embed\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":1097,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":677,"value":"This library uses the [Wolfie NPM package](https://npmjs.org/wolfie).","pinned":false,"hidden":false,"mode":"md"},{"id":306,"value":"// Creates a Wolfie client with the app ID\nwolfie = getWolfie(\n appId,\n \"https://genericproxy.vercel.app/api.wolframalpha.com/v2/\"\n)","pinned":false,"hidden":false,"mode":"ojs"},{"id":190,"value":"// Loads the Wolfie npm library, bundled as a module that works in Observable\ngetWolfie = (await require(\"https://bundle.run/wolfie@0.1.1\")).default","pinned":false,"hidden":false,"mode":"ojs"},{"id":1197,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":1220,"value":"async function wolframCloud(path, params) {\n const url = new URL(`https://www.wolframcloud.com/obj/${path}`)\n url.search = new URLSearchParams(params).toString();\n\n const response = await fetch(url);\n\n return response.json()\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":1221,"value":"wolframCloud(\"mcmcclur/cityapi\", {\n input: \"dublin\"\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":1324,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":1293,"value":"function wolframNotebookEmbed (path, height) {\n return html``\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":1280,"value":"function wolframNotebookDownload (path) {\n return md`[Download notebook](${wolframNotebookDownloadUrl(path)})`\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":1261,"value":"function wolframNotebookDownloadUrl (path) {\n return 'https://www.wolframcloud.com/download/' + path\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":1211,"value":"wolframNotebookEmbed(\"jerryjappinen/Published/ThingsToTry.nb\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":1274,"value":"wolframNotebookDownload('jerryjappinen/Published/ThingsToTry.nb')","pinned":true,"hidden":false,"mode":"ojs"},{"id":1450,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":1451,"value":"import { icon } from \"@jerryjappinen/icons\"","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W30","stdlib":"1","titling":"auto"}