h a l f b a k e r y
You gonna finish that?
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Ah, sweet. Old technology for the present day. |
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<Awaits USB flint, USB spear and USB pig on a spit> [+] |
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Why USB? Why not write an abacus program and use mouse movements? Should be quicker than a keypad and the accumulating multiples of ten x X can be adjusted electronically, rather than shagging about with addbacks. |
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Actually, one fo the iPhone might be a cute demo |
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That drag'n'drop interface would be ideal, [tc]. Should sell well in China, if you had the distribution rights. |
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// Why USB? Why not write an abacus program and use mouse movements? |
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Because if you know how to use an abacus, using your muscle memory to move little beads around just right is a *lot* faster than doing it by click-dragging. (Fitt's law and all that.) Compare touch-typing with clicking on a keyboard on screen. |
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There are a bunch of design patents for calculators with integrated abacuses, but the approaches to actually transmitting bead position are pretty experimental. It would be especially cool to also output into bead position in some electromechanical way. |
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