Tagged Questions

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

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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 ...
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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 ...
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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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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 ...
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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, ...
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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 ...
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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 ...