**133 wolfram-alpha-queries questions.**

I'm trying to get a step-by-step solution of a system of symbolic equations:
...

For example, the projection of the point $P=(1,2,3)$ on the plane $x+y+z=3$ is the point $Q=(0,1,2)$.
How do I ask Wolfram Alpha to compute this? I've tried "projection of point (1,2,3) on plane x+y+...

2 (ϕ'[r])^2 - 2 u'[r]/r - (u'[r])^2 - u''[r] == 0 I need to get a relationship between u and ...

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 ...

I want to find prime $p$ in form of $p=32 x+1$
How can I ask WolframAlpha for such $x$ that will fulfil this equation?
EDIT: let's say that $100$ or $n$ solutions is enough for me
EDIT2: I need x's ...

Can I define the '$u = \dots$' for an integral?
For example when I integrate $\frac{x^3}{\sqrt{6 - x^2}}$ with respect to $x$, the program automatically sets $u = x^2$, how can I change this so it ...

Neither one ofWolframAlpha["Caffeine"]
WolframAlpha["Caffeine","FullOutput"]returns a structure diagram for the molecule. It's consistent since ...

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 ...

The following command give historical data from 21th April 2017 to 19th April 2018. Which is about 1 year. How do i get this result for past three years from wolfram alpha.
...

I am experiencing return values of Missing[NotAvailable] from WolframAlpha[], about 10% of the time. For some reason, this seems ...

I am trying to generate step by step solutions and then export/copy them in MATHML format. To simplify the issue, I have tried 2 methods to copy the output, neither of which I can get to work:
Copy ...

How would I find the average GDP of a list of countries between set years?
I know how to do it for one but I'm not sure about multiple values. I also wish to find the average population size.
An ...

I'm trying to get a list of dates and times of the vernal equinox for the last 30 years (or some other time interval). I'm flailing about and really have gotten nowhere. When I've tried typing ...

I am trying to solve an equation in Wolfram Mathematica and I get different results although the equation is technically the same. I am really confused. so basically:
$\sin(2x) - \cos(2x)= 1$ is the ...

I'm sorry if this is potentially off topic, but I posted this question at the Math SE and they pointed me here. Both SE sites have a tag for Wolfram Alpha, but maybe you guys are better equipped to ...

I am trying to get the name of stars that are in a range of distances from the Sun. The Input I have tried is:
...

How would you perform second derivative implicit differentiation using Wolfram Alpha input? The reason that I'm using WA input is that it gives you step-by-step solutions and I'm a first year ...

The following code:
scrapes current U.S. Treasury yield data from the Treasury's website;
plots the available data points (from the 1, 2, 3, 5, 7, 10, 20, and 30 year instruments); and
interpolates &...

In general we expect this to work:Quantity["Speed of light"]
Quantity[1, "SpeedOfLight"]And it does because it can make use of Wolfram|Alpha.
Oddly, though, ...

As a teacher, I am trying to show some step-by-step execution. (Any help with tools would be most appreciated.)
Related, I cannot get the following to work:
...

I know that it's possible to get the step by step solution of a differential equation calling Wolfram in Mathematica. For example:
...

I have tried several options and although I have looked at Wolfram Alpha snippets, I cannot get those to work in V11.
This link is the best I could find, but I cannot replicate it for wine, or wine ...

Why does
WolframAlpha["How much rain in Boston on Dec 25, 2016", {{"Input", 1},
"ComputableData"}]
return Missing["NotAvailable"], when
WolframAlpha["How much rain in Boston on Dec 25, ...

When Mathematica shows me the step-by-step solution, it says "Possible intermediate steps". Is there a way to get the same solution, but with different intermediate steps? An example of statement that ...

I am trying to obtain the step-by-step analysis of the integral $\int _{ 0 }^{ \infty }{ { y }^{ 3 }{ e }^{ -\frac { y }{ N } }dy }$ by calling Wolfram Alpha:
...

I want to find integer solutions of the following inequality by using Mathematica
$$\bigg| \sqrt[3]{2}-\frac{p}{q} \bigg | <\frac{1}{q^{5/2}}$$
...

Is it possible to get traffic data for different locations and routes over time?
I checked Transportation Data and found traffic mentioned with CityData. The Transportation Data documentation ...

Bug introduced in 9.0 and fixed in 10.0.0 and reintroduced in 11.2
Mathematica 9 on Windows and WolframAlpha says
...

I observe that if I execute in the url of wolfram alpha the integral of the function (3/x^2)Sin(x)Sin(x/3) with the limits between zero and infinity:
integrate (3/x^2)sin(x)sin(x/3) from 0 to inf
I ...

I would like to be able to acces/show the step by step solutions from wolfram alpha in a note book! Is this possible? An

If in Mathematica I type, for example:==Sun massWolfram Alpha gives me lots of data (mass in kg, lb, sun radius, temperature...):
but where do they come from? ...

Suppose I'm quite happy with my current Mathematica installation and wish to keep the system in its current form just reliably working.
Since there were already at least two cases[1,2] when a lot of ...

Our mathematics department provides us with the student edition of Mathematica $10.3.1.0$ and I often use the WolframAlpha["query"] command to use Wolfram|Alpha ...

I use Wolfram Web Resources extensively, but unfortunately, all of the displayed math is in low resolution. Is there a way of viewing (and copying) math in high resolution?
For example: http://...

I have noticed some features available on the site Wolfram|Alpha which I am not managing to replicate. Two examples which come to mind are the following.
Given a function $f(x)$, I want to determine ...

I tried evaluating the following limit with WA, but I got a wrong answer. The limit is: $$\lim_{n\to\infty}\left|
\frac{n\sin^2(n+1)}{(n+1)\sin^2(n)}\right|$$
The result that I obtained from WA was $0$...

In the What If? article Falling with Hellium, Randall says:
I managed to lock up my copy of Mathematica several times on balloon-related differential equations, and subsequently got my IP address ...

Why there are different result
There are $691$ words according the wolfram alpha.
but there are only $307$ words according the Wolfram Mathematica
...

Apologies in advance, this is the first I've messed with ProteinData and access through WolframAlpha, so clearly I may not know ...

I tried using the free input to show me how to integrate the following integral but it didn't show me the steps.
Solve with steps the integral of x*(2*a^2)*arccos(x/(2*a))-(x^2/2)*sqrt(4a^2-x^2) in ...

I often generate long decimal expansions of various numbers.Then I cut-and-paste them into the == command to get a WolframAlpha analysis (to see if there are any interesting properties, possible "...

Alright, let's have some fun here. I am essentially following the documentation by Wolfram, just looking at different quantities.
...

Why does Mathematica and Wolfram|Alpha give different results based upon the same code?
I know Wolfram|Alpha's 7.85 is correct.

For example, something like A000040(n) which would be equivalent to Prime[n]. Something that will return the appropriate term ...

Wikidata.org seems to have a similar goal as the new Entity/EntityProperty Wolfram-knowledge base system.
The differences are that Wikidata is open, promising faster expansion and fixing, but of ...

How we can write the following Formula in Wolfram:
The Fourier Series
$$ f(x)=f(x+2\pi), f(x) =\left\{
\begin{array}{rcr}
1 & & -\pi <x<0 \\
\sin x & & 0<x<...

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 ...

I'm trying to use the 'Show Steps' feature of Wolfram Alpha within mathematica to solve equations. I have the following code:
...

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 ...

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 ...

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