Technology & Productivity Guides

Practical tasks, worked examples, and checks for AI tools, operating systems, spreadsheets, and developer workflows.

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VS Code Multi-Cursor Editing: Practice, Review, and Undo
Developer

VS Code Multi-Cursor Editing: Practice, Review, and Undo

Use a small sample to distinguish text replacement from language-aware refactoring.

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Mac Keyboard Navigation: Apps, Windows, and Files
Mac

Mac Keyboard Navigation: Apps, Windows, and Files

Understand which item a Mac command acts on before using it to navigate or close work.

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Excel Formula Shortcuts: Build and Check a Small Calculation
Excel

Excel Formula Shortcuts: Build and Check a Small Calculation

Practice selection, AutoSum, and reference editing with a sample that has an independently checkable result.

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Windows 11 Shortcuts for a Two-Document Workflow
Windows

Windows 11 Shortcuts for a Two-Document Workflow

Organize two windows, copy a useful excerpt, and capture a readable screenshot without relying on performance cl...

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Find the Right AI Shortcut for Your App and Keyboard
AI Tools

Find the Right AI Shortcut for Your App and Keyboard

A practical way to inspect AI app shortcuts and avoid conflicts between desktop apps, browser tabs, and extensions.

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