Smart Finance Calculator

What it does

I got tired of ugly, cluttered calculators that break when you work with real money — salaries, investments, and net worth in millions and billions. So as a solo developer I built calcwith.com — a clean, fast and modern finance calculator. **Key highlights:** • Smart number formatting: 1,250,000 → 1.25M, 2.4B, 980K etc. • Beautiful minimal interface • Works perfectly on mobile.

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