LineSolv is a cross-platform desktop calculator that understands phrases like "20% of 150" or "5 kg in pounds." Built with Go + Wails for a ~25 MB binary that starts instantly. Features unit conversion (100+ units), function graphing, step-by-step evaluation, and 7 themes. MIT licensed, open source.
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Maker
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Hey! I'm the maker of LineSolv.
I've been a Numi user for years — the notepad-style calculator where you just type what you mean and get instant results. But Numi is macOS-only, and I always wished it worked on Linux too.
So I built LineSolv. It's a natural-language calculator that runs on Linux, macOS, and Windows. You type things like "20% of 150", "5 kg in pounds", or "plot sin(x)" and it just works.
I chose Go + Wails over Electron because I wanted a small, fast binary — ~25 MB vs 100-200 MB, starts in under a second, uses almost no memory.
It's open source (MIT) and still early — v0.9.0. There's a lot more to build: voice input, custom themes, plugin system. If this sounds interesting, contributions are welcome.
Happy to answer any questions!
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the 25mb size and instant startup genuinely surprised me, most calculator apps are bloated for no reason. typing "5 kg in pounds" just worked, no fuss.
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the ~25 MB size and instant startup are genuinely impressive, and unit conversion feels way smoother than typing into a search bar.
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The instant startup is genuinely impressive, beats waiting for Electron any day. Step-by-step evaluation is a nice touch for actually understanding what the calculator is doing behind the scenes.
the 25mb size and instant startup genuinely surprised me, most calculator apps are bloated for no reason. typing "5 kg in pounds" just worked, no fuss.
the ~25 MB size and instant startup are genuinely impressive, and unit conversion feels way smoother than typing into a search bar.
The instant startup is genuinely impressive, beats waiting for Electron any day. Step-by-step evaluation is a nice touch for actually understanding what the calculator is doing behind the scenes.