tactile computation 2025-09-12T18:25:09Z
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Rain lashed against the lab windows like thrown gravel, the only sound besides my ragged breathing and the hollow tap-tap-tap of my finger on a smartphone screen. Three hours deep into debugging a thermal runaway simulation for a satellite component, and my slick, modern calculator app had just frozen mid-integral—again. That spinning wheel felt like mockery. Desperation tasted metallic, like old pennies, as I fumbled through app store dreck labeled "scientific." Then, buried under neon monstros
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Rain lashed against my studio window as I stared at the structural integrity formulas bleeding across crumpled graph paper. My digital calculator had just frozen mid-derivative - again - its touchscreen betraying me with phantom taps when I needed precision most. In that moment of raw frustration, I remembered an old forum mention of JRPN 15C. Downloading it felt like surrendering to nostalgia, until the first tap.