21 votes
Accepted

How to get Company Logo or Image

apple = Interpreter["Company"]["Apple"]["Image"] Interpreter["Company"]["GE"]["Image"] Also works for the continent and ...
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  • 34.5k
16 votes

How to get Company Logo or Image

Another variation: SemanticInterpretation["AAPL Logo"] This method is nice because you can do at once: ...
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  • 32.5k
16 votes

Wolfram says sum diverges, but Mathematica gives a numerical value for infinite sum

As the message shows, NSum works on limited recursions. Mathematica does not consider the "mathematical converge" when it works on NSum. Therefore Mathematica finds that this sum converges too slowly, ...
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  • 1,941
14 votes
Accepted

Wolfram says sum diverges, but Mathematica gives a numerical value for infinite sum

When a command has issues, it is a good idea to check the Possible Issues section of the doc page for the command, in this case NSum. Two of the issues apply to ...
13 votes
Accepted

Flying to Australia

Use Interpreter without federal state or country. Works even for small german towns :) ...
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  • 1,533
13 votes
Accepted

All the food WolframAlpha knows about

Go to a new cell in a notebook and write "=", this will create an orange equality sign in the beginning of the cell. This means that you have entered the free form input mode. Write the name of a food ...
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  • 68.7k
12 votes

Flying to Australia

You could use the official ICAO abbreviation: Entity["Airport", "KLAX"] which makes sense because you will only be able to use officially named airports most of ...
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  • 14.9k
12 votes
Accepted

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

The date is different because Wolfram Alpha is wrong about when the Battle of Agincourt took place. Alpha is returning 25 October 1415 in the Gregorian calendar as the date of the battle, but the ...
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  • 12.7k
12 votes
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How to make a picture grid of all Nobel Laureates in physics?

Here's something to get you started down to path of scraping the somewhat larger individual pictures from the Nobel website: ...
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  • 58.2k
11 votes

Unit Discovery: Is this some sort of a sick joke?

A bit too long for a comment... My best guess is that WolframAlpha["earth's gravity", "MathematicaResult"] is simply rounding to too few digits. It returns ...
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  • 32.6k
10 votes
Accepted

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

You can set the options for WolframAlpha in the usual way. The option to change is: ...
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10 votes

How to get Company Logo or Image

The problem seems to be that many companies, even some of the biggest, well known firms are not known in Entity["Company","name"] form to Mathematica. This holds ...
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10 votes
Accepted

Differing answers when comparing Wolfram Alpha and Mathematica v.10.2

For large enough bounds, NSum is used. Compare timings: NSum[(-1)^(n + 1)/n, {n, 1, 100000}] // AbsoluteTiming ...
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  • 32.6k
10 votes

All the food WolframAlpha knows about

I remember from last years conference (Wolfram Technology Conference 2015) that there was a presentation on food entities. It doesn't seem to have been recorded but you can get the presentation (Food ...
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  • 39.3k
10 votes
Accepted

Proteins, ProteinData, WolframAlpha

Here's a workaround that directly queries the PDB search API and returns the first num search results as a Dataset[]. The ...
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9 votes
Accepted

A femme is a wife is a Frau

The following may be useful as starters: ...
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  • 349k
9 votes
Accepted

Returning computable numbers from WolframAlpha

...
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  • 349k
9 votes

Find all synonyms of word X that rhyme with word Y

Here's a start.... ...
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  • 10.6k
9 votes
Accepted

Can Mathematica solve functional equations with nested variable?

It doesn't seem there is a one line solution but we can adapt W|A to give a result similar to DSolve and friends. ...
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  • 132k
9 votes

How to ask WolframAlpha to find 'x such that p=32*x+1 is prime'

General There are as many solutions as prime numbers If you Solve for $x$ Solve[32 x + 1 == p, x] ...
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  • 28.7k
8 votes

Check remaining Wolfram|Alpha calls

In Mathematica 10, this tells you the number of calls remaining in your cloud account if you are logged in: CloudAccountData["WolframAlphaCallsAvailable"] 2168
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  • 8,342
8 votes
Accepted

Plotting Time Series with call to Wolfram Alpha

Calling Wolfram|Alpha is not generally an efficient way to retrieve bulk data; where possible, it is better to use a built in data function. Part of the problem is figuring out what to submit to ...
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  • 8,342
8 votes
Accepted

Find the volume & weight of a US$4,000,000 gold ingot

In Mathematica (version 10): ...
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  • 10.6k
8 votes

Median household income for each county in Maryland

Using Mathematica (v10) ...
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  • 10.6k
8 votes

The energy released from burning one gallon of gasoline

Ctrl+= gasoline heat of combustion * density results in: Quantity[32.7, "Kilojoules"/"Centimeters"^3] To get energy per ...
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  • 7,624
8 votes
Accepted

Is it possible to simulate a solved example in Wolfram for free, How?

I do not use the Wolfram Language at Wolfram Alpha since the syntax is a little different and I have access to Wolfram Mathematica which I prefer to Wolfram Alpha. If you have Wolfram Mathematica, ...
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  • 108k
8 votes

Proteins, ProteinData, WolframAlpha

A quick and dirty is to download the PDB file from the main PDB database (eg Bovine rhodopsin), use the Download button/dropdown on the top right and select Text format then ...
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  • 774
8 votes

Proteins, ProteinData, WolframAlpha

Try this here Import["http://www.rcsb.org/pdb/download/downloadFile.do?fileFormat=pdb&compression=NO&structureId=1U19", "PDB"]
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  • 111k
8 votes
Accepted

Confusion in finding the definite integral

Precision issues. Use one of the following instead. Symbolic integration: ...
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  • 4,141

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