Wolfram|Alpha is a "computational knowledge engine" developed by Wolfram Research, announced in March of 2009. It is unique in that in answers queries with direct computational results, rather than bringing up a page of documents and various webpages as most search engines do.

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RSA algorithm: How to enter the multiplicative inverse to wolframalpha?

I'm trying to enter step 5: Compute d, the modular multiplicative inverse of e (mod φ(n)). How do I enter this in WolframAlpha? http://en.wikipedia.org/wiki/RSA_%28algorithm%29#A_working_example
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Plot multiple functions in Wolfram Alpha

I tried to multiple plot in WolframAlpha using this command from the Forum: plot {1<=x<=2 1<y<3} and plot {x=4 1<y<3} and plot {1<=x<=2 y=4} and plot {x=4 y=4} and plot ...
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WolframAlpha - Is it possible to associate equations with theorems?

Suppose I wanted to find out about the Pythagorean Theorem by searching via WolframAlpha. This is trivial -- we can search directly for Pythagorean Theorem and get a wealth of information. But ...
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WolframAlpha won't recognize my second derivative

I have been trying to calculate my derivative in WolframAlpha by inputing this: A=0.921/10^(9), a=1*10^(-9), h=1.055*10^(-34), m=9.109*10^(-31) int_((-pi)/(2*a))^((pi)/(2*a)) A ...
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How are the lines on HTML element hierarchy plots in Wolfram|Alpha generated?

Wolfram Alpha provides HTML element hierarchy plots for web sites. For an example, enter a popular website, like stackoverflow.com into the field: ...
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naming geometric figures

I know how to draw two circles that intersect each other in wolfram alpha. But I kind of want to name them, and, consequently refer to them. For e.g say the circles are c1, c2. They intersect at two ...
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How can I export my Wolfram|Alpha Personal Analytics for Facebook report as a PDF without being a premium user?

( Wolfram|Alpha Personal Analytics for Facebook report ) Saving as PDF with Google Chrome misses most images.
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Can Wolfram Alpha do relationship graphs for literary works with proper input?

The book Spoon River Anthology is notoriously complicated with dozens of dead people discussing each other. For extremely complicated books like this, is it possible to get a 'relationship graph' such ...