Tutorials Library
Interactive HTML tutorials for data analytics, case studies, and professional skills. Learn by doing with self-contained tutorials.
The Pattern BYROW LAMBDA LET
BYROW + LAMBDA + LET Write clean, professional-grade dynamic array formulas tha...
Mastering the SEQUENCE Function
Build dynamic, self-updating arrays without hardcoding a single number
VSTACK HSTACK Patterns
VSTACK & HSTACK: Build Dynamic Reports with Headers in Excel Combine scattered ...
Mastering the BYROW Pattern
Mastering the BYROW Pattern Write one formula. Let it loop across every row — a...
LET LAMBDA MAP The gold standard trio
LET + LAMBDA + MAP The gold standard trio for row-level calculations — cleaner,...
Excel → Power BI Cheat Sheet Your complete transit...
Excel → Power BI Cheat Sheet Your complete transition guide — formulas, Power Q...
Power Bi Readiness Boot Camp
Power Bi Readiness Boot Camp Finally Get Ready Power Bi , after excel and go...
Memory, Summarisation & Alignment Scoring
Memory, Summarisation & Alignment Scoring . Give your teaching pipeline long-te...
Building a Flask Chat UI with a Non-Chat HF Model
This is the second part of the tutorial in which we learned to make an hugging f...
AI Content Strategy Engineering
AI Engineering AI Content Strategy Engineering The discipline of directing lar...
From Zero to Production: Master Prompt Engineering...
From Zero to Production: Master Prompt Engineering by Building a Real Ad Bot W...
Domain Layers Of Machine Learning
Educator Insights The Domain Layer Why teaching ML requires more than code — i...
Building a Profit-Aware Trading Signal Optimizer
Building a Profit-Aware Trading Signal Optimizer Machine Learning · Reinforce...
AI and Education: The Classroom Truth
AI and Education: The Classroom Truth A brutally honest series on AI, learning,...