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Build a correct, edge-case-proof Excel or Google Sheets formula for your exact layout, with a plain-English breakdown.

Diagnose a slow SQL query using its execution plan and get prioritized, dialect-aware fixes with a rewritten version.

Build a complete, step-by-step EDA plan tailored to your dataset, columns, and analysis goal before you write a single line.

Turn a natural-language question into a correct, dialect-specific SQL query grounded strictly in your real database schema.

Design a hands-on, milestone-based project that teaches a skill by building something real, with checkpoints.

Create a clear, beginner-friendly glossary of a topic's key terms, each with a definition and concrete example.

Generate an exam-style question set across difficulty levels with model answers and a clear marking scheme.

Rewrite any explanation so it fits a specific learner's level, interests, and known knowledge gaps.

Decompose a hard problem into ordered sub-problems and produce a fully reasoned worked example you can learn from.

Compare several courses, books, or videos against your goals and get a recommended, ordered learning path.

Transform a dry lesson into a short, accurate story with characters that make the key concepts stick.

Analyze your past errors to find recurring patterns and get a focused, scheduled drill plan to fix them.