Use this tag for questions about computing hardware used in mathematics, be it supercomputers or the simple iPad.

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2
votes
0answers
21 views

testing hardware random number generators? [closed]

1)I would like to know how to test hardware random number generators. 2)What techniques ,tools or tricks to solve the problem ? 3)Any practical difficulties, implementation complexities etc
1
vote
1answer
84 views

Converting division by a constant into multiplication

Given a small integer constant $N$, how can I find a fast to compute expression for $\lfloor \frac xN \rfloor$, working for each integer $x \in [-2^{31}, +2^{31})$? Here, "fast to compute" means that ...
1
vote
1answer
61 views

Is it possible to solve the shortest path problem by hardware? And is it worth it?

Okay, I recently thought of an idea. Suppose given any map you create an equivalent circuit where there are same number of vertices (intersection of wires) and length of the path is proportional to ...
1
vote
1answer
111 views

Calculating probability of exceeding fixed Hash table bucket chain depth

I'm attempting to create a Hash table in hardware and I would like to calculate the optimal table size and chain length (for collisions). Unlike in software, I can't easily (and don't want to) grow my ...
11
votes
0answers
378 views

Approximating a blackboard with long-distance communication

From time to time I need to talk about mathematics with my advisor remotely. I would like to approximate writing on a blackboard together as closely as is reasonable. What are some technological ...
4
votes
1answer
767 views

Android devices for reading textbooks and writing math by hand?

This thread here about iPad is getting Android -answers that belong to other thread. I am interested in things such as real-time TeXing, LaTeX recognition, writing math by styluses/keyboards, ...
4
votes
1answer
529 views

How can I add equations to services such as Keynote or Pages in iPad?

Mathematical formulae are very poor in services such as Windows Word, Keynote, Pages -- or many times totally missing, not to speak about compability -problems. So how can I create and add formulae to ...
1
vote
0answers
234 views

App to Read DOCX in iPad with Mathematical formulae?

I use screenshots from Math SE to add math -formulae to my DOCX -file but it is irritating when other people do not realize that my programs cannot read mathematical formulae in DOCX -format. I tried ...
85
votes
7answers
9k views

Tablet for reading textbooks and writing math by hand?

I am a math student. I'd like to find out if tablets (iPads, Galaxy Note 10.1) are worth the cost. How good are tablets for the purposes of reading textbooks as PDF and writing mathematics with a ...
4
votes
2answers
193 views

OCR: some App to calculate the derivative on a line graph with iPhone/iPad?

Problem I have a set of points like the ones shown on the right hand side of the image. So for each 'Ships Head' there is a corresponding value for 'Deviation'. In this example we can treat west ...
14
votes
9answers
4k views

What are some good iPhone/iPod Touch/iPad Apps for mathematicians?

There are lots of good apps for teaching mathematics to children but I would like to learn about apps for undergraduate/graduate/research levels. Helper questions Any algebra system (like ...