Basics

Cells, rows and columns0/5
Your first formulas0/5
Add things up with SUM0/4
Copy a formula down0/4
Average, lowest, highest0/5
Count cells0/4
Round numbers0/4
Percentages0/4
Fixed references with $0/4

Conditions

Add with a condition: SUMIF0/5
Count with a condition: COUNTIF
Average with a condition
Several conditions, comparisons, wildcards

Logic

Make decisions with IF0/5
Combine tests: AND, OR, NOT
More than two answers: IFS
Pick from a list: SWITCH and CHOOSE
Fix broken formulas
Catch errors with IFERROR

Lookups

Find values with VLOOKUP0/5
The modern way: XLOOKUP
INDEX and MATCH

Text

Join text0/4
Cut text apart
Clean up messy text

Dates

Work with dates0/5
Date maths
Workdays and deadlines

Dynamic arrays

Lists that build themselves: UNIQUE and SORT0/5
Pick rows with FILTER

Pro moves

Multiply and add: SUMPRODUCT0/3
Top and bottom: LARGE, SMALL, MEDIAN

Projects

Project: a monthly budget0/5
Project: a sales report
Project: clean up a customer list

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Lessons Daily Test

Catch errors with IFERROR

IFERROR(formula, fallback) shows the fallback instead of an ugly #DIV/0! or #N/A.

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