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+# Taskbar Calculator
+
+A small calculator for Windows that stays out of the way. It lives in the system tray and
+pops up an always-on-top window you drive entirely from the keyboard — handy when you just
+need to run a quick calculation without opening a full app or leaving what you're doing.
+
+## A rebuilt, simpler version
+
+Earlier versions of Taskbar Calculator were a *DeskBand* — a component embedded directly in
+the Windows taskbar. Windows 11 no longer loads third-party taskbar extensions, so that
+approach stopped working.
+
+This version is a fresh rebuild with a different philosophy:
+
+- **A standalone tray app instead of a taskbar extension.** It runs as a normal program
+  with a tray icon, so it works on modern Windows without any taskbar tweaks or workarounds
+  like ExplorerPatcher.
+- **Focused on one job.** The goal is a fast, keyboard-driven calculator for everyday
+  arithmetic — nothing more. Some older extras (hexadecimal mode and the Lira⇔Euro
+  conversion) have been dropped to keep it simple.
+- **Open source.** The full source code is now public: [link al repository].
+
+## Features
+
+- Always-on-top calculator window, shown or hidden with a single click on the tray icon.
+- **Global hotkey `Win+Alt+C`** to show or hide the window from any application.
+- Fully keyboard-driven: the four basic operations (`+`, `-`, `*`, `/`), square root,
+  percentage, sign change, and reciprocal (`1/x`).
+- Numbers displayed using your Windows regional settings (decimal and thousands separators).
+- Remembers its position on screen between sessions.
+- Optional **start at login**.
+- Right-click the tray icon for the menu: Show/Hide, Start at login, About, Exit.
+
+## Requirements
+
+Windows 10 or later (64-bit).
+
+## Download
+
+[Download Taskbar Calculator 3.0 (64-bit installer)] — [link]
+
+Run the installer; it sets up a per-user install and adds a tray icon. Left-click the icon
+(or press `Win+Alt+C`) to open the calculator.
+
+## Source code
+
+Taskbar Calculator is open source. You can browse the code, report issues, or build it
+yourself here: [link al repository].
+
+## Support the project
+
+If you find it useful, you can support development with a donation: [PayPal link].
+
+## Contact
+
+Questions or suggestions: marcomaroni@gmail.com