# Tagged Questions

Use this for questions about calling Wolfram Alpha from Mathematica. Questions about Wolfram Alpha itself are off-topic.

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### How to create a new “person curve”?

Wolfram|Alpha has a whole collection¹ of parametric curves that create images of famous people. To see them, enter WolframAlpha["person curve"] into a Mathematica ...
1k views

### How to compare power towers in Mathematica?

First I tried it directly, but it overflowed: ...
1k views

### Roughly how many times per day may WolframAlpha[] be used?

The integration of Wolfram|Alpha seems to be one of the (many!) major features of Mathematica 8. Earlier I was reading this Wolfram Blog archive and noticed quite a few articles talking about the use ...
1k views

### Mathematica gives wrong result while Wolfram|Alpha is correct

Why does Mathematica and Wolfram|Alpha give different results based upon the same code? I know Wolfram|Alpha's 7.85 is correct.
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### Can Mathematica solve functional equations with nested variable?

First, inline free form input can solve these equations: But it seems no native Mathematica function can solve these, there is even an error page for equations of this form (nestdv). Now my ...
1k views

### How to get Company Logo or Image

I can see that companies have a logo in Wolfram|Alpha when I type in their name but I can't get them in Mathematica. For example searching for Apple, Inc. in W|A one of the outputs is the Apple logo. ...
223 views

### Is it a bug in Limit?

Bug introduced in 9.0 and fixed in 10.0.0 Mathematica 9 on Windows and WolframAlpha says Limit[Sin[Sqrt[x+1]]-Sin[Sqrt[x]],x->Infinity] is Interval[{-2,2}]....
1k views

### Flying to Australia

I want to compare different flight routes to Australia and their lengths. So far I have written: ...
818 views

### All the food WolframAlpha knows about

I want to plot some nutritional values and do some computation with it. Is there an analogue of CountryData[] to get a list of all the foods for which WA has ...
531 views

### How to make a picture grid of all Nobel Laureates in physics?

I want to make a picture grid of all Nobel Laureates in physics using mathematica. Later I wanna print this picture grid on a big wall! The first thought I came up with is to exploit the powerful ...
2k views

### Interactive steam tables and phase diagrams in Mathematica

I teach an undergraduate course in Thermodynamics and I would love to use Mathematica to demonstrate the various engineering processes that involve the expansions and compressions of steam and common ...
150 views

### W|A or Mathematica for CountryData?

Sometimes W|A gives you something ... WolframAlpha["electricity production of the United States in 2007", "Result"] ... not available in the WDF ...
657 views

### Problems getting clean sunrise, sunset, civil, nautical and astronomical twilight data

If in a notebook you enter: ...
566 views

### A femme is a wife is a Frau

As can be seen from LanguageData["Properties"] // Multicolumn Mathematica's translation capabilities seem to be very limited. It can translate month names, ...
617 views

### Why does Mathematica's date for the battle Agincourt differ from the US Navy's?

If I ask Mathematica for the Julian Date for the battle of Agincourt with WolframAlpha["battle of agincourt date"] it reports ...
288 views

### Differing answers when comparing Wolfram Alpha and Mathematica v.10.2

Out of curiousity, please consider following expression: Sum[(-1)^(n + 1)/n, {n, 1, 100000}] When evaluated using Wolfram Alpha: Result: ...
676 views

### Suppress connection to Wolfram|Alpha when making unit conversions

I want to speed up calculations with unit conversions. I suspect primarily that some units evaluate from Wolfram|Alpha. Any way to prevent this automatically, so that Mathematica throws errors/...
313 views

### Check remaining Wolfram|Alpha calls

As Wolfram|Alpha calls are limited, and on the other side increasingly frequent, I'd like to be able to check how many calls am I able to make at a given time. Is there a function or system variable ...
206 views

### Automatically grouping words into categories

Say I have a comma-separated list of words. For example sake, let it be things I have seen during my trip to a safari zone. It would look something like that: ...
117 views

### Need a generalization of RootApproximant to recognize linear combinations over algebraic numbers

RootApproximant does a very good job when I need to recognize an algebraic number and when enough of its digits are known (or even when an unlimited number of ...
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### Mathematica and Wolfram Alpha - Long data series [duplicate]

Let's say I want a long series of data with the Mexican peso / US dollar exchange rate. The old code I used back in the day was FinancialData["USD/MXN", All] ...
203 views

### Returning computable numbers from WolframAlpha

WolframAlpha["Apple company revenue", {{"Result", 1}, "Plaintext"}] Desired output 182800000000 ...
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### Analyzing frequency of individual letters in a large body of text

There are interesting histograms about the English language: BarChart[Counts[StringTake[WordList[], 1]], ChartLabels -> Automatic] ...
369 views

### Getting all physical units with prefixes

How we can get the list with all physical units and prefixes from WolframAlpha and make symbols from the result to be equal their corresponding quantities like described in this post?
502 views

### Nonsense Data with Wolfram Alpha + Mathematica?

I am trying to learn how to interface with WolframAlpha. When I try using the Mathematica interface I get nonsensical data. I don't know if this is a bug or if I'm doing it wrong. My goal is to ...
3k views

### In finding a logarithmic fit for some data (of the form a*Log[b*x]), WolframAlpha succeeds where Mathematica 7.0 fails, why?

I would like to fit a function of the form: $a \log(b x)$ to a set of data: ...
331 views

### Getting FTSE indices in Mathematica

I'm not sure if this is the best StackExchange to post this question, but I figured it had more to do with the specifics of Mathematica than Quantitative Analysis so I've posted it here. Basically, I ...
677 views

### How to extract a possible closed form from WolframAlpha[] output

To find a possible closed form of a number, I can use the function WolframAlpha["6.38905609893065", IncludePods -> "PossibleClosedForm"] It returns a result ...
379 views

### How can I analyse Mathematica data using Wolfram|Alpha?

How can I analyse data stored in Mathematica using Wolfram | Alpha? Here is an example: I have a list: a = {1, 2, 3, 4, 5} I can plot it in Mathematica, like ...
233 views

### WolframAlpha Selective SubPod Content

I am sending queries to Wolfram | Alpha from Mathematica V9 and and importing the results back into Mathematica, but I am running into a challenge in formatting the request. Specifically, I would like ...
212 views

### Problem to plot GDP data coming from Wolfram Alpha

I'm working with economic data and realized that I could extract it directly from WolframAlpha using _Mathematica. So I did it. I extracted the GDP data of the country I'm studying. ...
433 views

### Find all synonyms of word X that rhyme with word Y

Given two words x and y, I'd like to find the set of all words that rhyme with x and are synonymous with y. Is this possible with WordData or ...
307 views

### Permanently set options such as metric units for W|A queries

Mathematica lets me be so lazy that I don't even have to switch to a browser to check the weather report: The only problem is that it will automatically display the temperature and wind speed in ...
323 views

### Attaching WolframAlpha data

I have used WolframAlpha since it was launched (now a pro member) but am new to Mathematica 8. Is there a way to automatically add data from WA to a Mathematica dataset? For example, what if I ...
2k views

### Is the Wolfram | Alpha output in Mathematica not Alpha Pro?

Mathematica 8 includes "Wolfram | Alpha integration", but the features of Alpha available in Mathematica seem not to include many of those available in the "Pro" version of Alpha. Does Mathematica 8 ...
312 views

### Creating a function to simplify WolframAlpha query

When I can't remember an integral I usually just query wolfram and have it show steps. This was my naive attempt at trying to make a simpler function. ...
92 views

### Why some alpha + Evaluate return Pod, some return only return an Entity?

Why some alpha + Evaluate return Pod, some return only return an Entity? Here is an example One guess is some direct match/index will return a Entity, if with some NLP of Input, then will return ...
97 views

### Extracting Code Used in Wolfram Alpha Query Output

If I type == moon texture map into Mathematica it sends a query to Wolfram Alpha and gives me the following output: A 3D sphere with a moon surface texture is ...
98 views

### Known restrictions for WolframAlpha in CDF Player and PlayerPro

Are there any known (documented?) restrictions for the use of the WolframAlpha function in CDF-Player and PlayerPro? I only found this answer which mentions upper values for various license version, ...
358 views

### Does Mathematica compute free-form-input on Wolfram servers?

I've just started to use Mathematica and I'm using the free-form input a lot. The computation time for simple problems seems to take a lot of time and my CPU isn't really used at all. I first thought ...
207 views

### Possible to batch WolframAlpha queries?

Sometimes I want some country data not available from CountryData. And issuing things like: ...
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### Median household income for each county in Maryland

I found that Wolfram|Alpha knows the median household income for every county in the US. I wanted to get a list of all counties in Maryland, and the median income in each county. The only way I could ...
152 views

### Plotting country as a polygon

I am trying to reproduce an example from Geographics. GeoGraphics[Polygon[Italy]] It does not work. Using Ctrl+= this way: ...
128 views

### Importing crude oil prices from WolframAlpha

WolframAlpha has knowledge of crude oil prices, as a simple query will show. I am trying to obtain this data for use in Mathematica but I am not able to figure out the input. If I try ...
249 views

### How can I get all the results from a Wolfram | Alpha query?

When I query Wolfram | Alpha with "city in orange county, california", it returns the first four results with a note that there are "42 total". I can then hit the "more" button until all 42 are ...
120 views

### Strange message appearing when using Wolfram Alpha in Mathematica

I have Mathematica 9.0.1.0 and I've recently noticed that whenever I press the equals sign and type something like Sech[x]^2, I get the message: I then tried other search queries, such as p^2, ...
73 views

### Obtaining Historical Financial Data

I'm trying to get the historical P/E ratio for a number of securities. WolframAlpha makes this seem easy: However, when I try to obtain a subset (or even just a single value) of this information in ...