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

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1answer
89 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
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1answer
68 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
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1answer
252 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 ...
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0answers
401 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 ...
5
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1answer
1k 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, ...
5
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1answer
744 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 ...
94
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7answers
14k 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
3answers
231 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 ...
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9answers
6k 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 ...