Monthly Archives: May 2008

Mobile Monday Warsaw

28th
May. × ’08

I just participated to the first MoMo event to take place in Poland, Mobile Monday Warsaw. There were about eight presentations, of which I most enjoyed the NFC talk by Florian Resatsch from Servtag, and the MRIA (Mobile Rich Internet Application) talk by Alex Nerst of fring (both are start-up companies). The event was well [...]

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Dynamically Adjusting Touch Buttons

20th
May. × ’08

I describe here a simple technique that can be used by touch buttons (on a touch-screen interface) to improve, over time, the accuracy of the user touches.
Each button keeps track of the place where the user touch occurs. The touches which are close enough to the button centre are deemed sure touches, meaning that the [...]

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Touch Buttons: the Optimal Shape and Size

20th
May. × ’08

While physical buttons were the standard for mobile phones in the past, it seems that the industry is gradually adopting touch-screen interfaces. The iPhone is the best example of a touch interface, but other manufacturers (e.g. Sony-Ericsson, Motorola) are also producing mobile phones with touch-screen interfaces (either exclusively touch-screen, or in addition to physical keys).
Talking [...]

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Arity has Complex Numbers

13th
May. × ’08

I just released version 1.3.0 of the Arity library, with a major addition: Complex Numbers. In addition to basic operators on complex numbers (like addition, multiplication, division), all the standard function are supported: trigonometric & hyperbolic, logarithm, exponential & power, factorial (Gamma), and even combinations, permutations and GCD. It is nice that many analytic functions [...]

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Cracovia Marathon

13th
May. × ’08

I’ve just run my second marathon, this time in Krakow instead of Warsaw. In the 5 weeks before the marathon I have run a total of 4km, so I can say that I had zero training — I was wondering whether I’ll be able to finish the marathon at all.. and yes, I did it. [...]

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