Hands-on courses on Excel, AI, ML and LLM engineering. Every lesson is an interactive challenge — type formulas, query data, build models — right in your browser.
Start with our flagship Excel track. More courses landing soon.
From cells & formatting through PivotTables, Power Query intro and full dashboards. Every lesson is hands-on in a real spreadsheet.
What AI actually is, how to use it well, and where it breaks. For curious professionals.
Foundations to evaluation. Linear / logistic / trees / forests / KNN.
Prompting, RAG, agents, evals. Ship production LLM features end-to-end.
Reading is forgetting. Doing is learning.
Bite-size lessons. No filler.
Each lesson opens a real workspace — a spreadsheet, notebook, or playground.
We check your work and give instant feedback.
Streaks, badges, leaderboards, and a real certificate at the end.
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Modulus