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Qalculate! is a multiplatform multi-purpose desktop calculator.
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A simple, immediate and fast unit converter!
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High precision scientific calculator with full support for physical units.
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Introducing Fossify Calculator โ your versatile and efficient tool for all your calculation needs.
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Free42, an HP-42S calculator simulator.
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Kalker is a calculator that supports user-defined variables, functions, ambiguous syntax, differentiation and integration. It runs on Windows, macOS, Linux, Android, and in web browsers (with WebAssembly).