Explains the familiar percent-key quirk and checks the explanation against the public, open-source Calculator code.
✳︎ Why does 200 + 10% give 220 in Windows Calculator?
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Real cases of what people did with REA (Reverse Engineer Anything), the open-source MCP server for reverse engineering, each with its original source.
43 casesExplains the familiar percent-key quirk and checks the explanation against the public, open-source Calculator code.
A teaching guide for finding where a feature lives in an Electron-style app: from the visible UI through the process boundary to the code that does the work.
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Advertise hereReverses the Bluetooth protocol that a smart toilet's WeChat mini-program speaks and builds a menu-bar remote with REA and Codex (original X post not linked from the showcase).