🟩 Zero-to-Hero · Data & Analytics

MS Excel — the complete masterclass

From "what is a cell?" to dynamic arrays — ten interactive modules, each with a live Formula Sandbox where you type real formulas and the cell turns green when you're right.

10 modules75+ live formula drills187-function AtlasBeginner → Expert
The 10 modules — work through them in order
01🧱Grid BasicsBeginnerCells, references, your first formula & the $ lock02Core Formulas & FunctionsBeginnerSUM, AVERAGE, COUNT, ROUND, MAX/MIN, LARGE03🚦Logical FunctionsBeginnerIF, nested IF, IFS, AND/OR/NOT, IFERROR04✂️Text FunctionsBeginnerLEFT/MID/RIGHT, TRIM, PROPER, CONCAT, TEXTJOIN05📅Dates & TimesIntermediateSerial numbers, DATE, DATEDIF, NETWORKDAYS06🧮Conditional AggregationIntermediateSUMIFS, COUNTIFS, AVERAGEIFS & criteria07🔎LookupsIntermediateVLOOKUP, XLOOKUP, INDEX-MATCH, IFERROR08🧹Data Cleaning & PrepIntermediateTRIM, Text-to-Columns, Flash Fill, dedupe09📊PivotTables & ChartsAdvancedPivot zones, grouping, the right chart10Dynamic ArraysAdvancedSpill, FILTER, SORT, UNIQUE, LET, LAMBDA
📚Function AtlasEvery useful Excel function — 187 across 10 families — with syntax and a worked example. Searchable. Keep it open while you work.Open the Atlas →
How each module works
1Read the hand-notes — ELI5 analogy, then step-by-step for every function.
2See it — mind maps, decision flowcharts and real charts.
3Type it — the Formula Sandbox runs your formula and turns the cell green.