Learn formulas by doing, not by reading theory only
This library is designed for people who need a working Excel answer quickly. Each page starts with the formula, explains what it means, gives real copy-paste examples, and points out the mistakes that usually confuse beginners.
Browse by category
Start with the category that matches your task. Each category gives you a focused list of formulas, and each formula page shows examples one at a time so long formulas stay readable.
Logical
Decision formulas for yes/no checks, pass/fail labels, approvals, exceptions, and multi-condition reports.
Includes AND, CHOOSE, FALSE, IF →21 examplesLookup & Dynamic Arrays
Find values, return matching records, filter lists, sort results, stack ranges, and create dynamic reports.
Includes CHOOSECOLS, CHOOSEROWS, DROP, FILTER →29 examplesText
Clean names, split text, combine columns, remove extra spaces, extract IDs, and prepare messy data for reports.
Includes CLEAN, Combine First and Last Name, CONCAT, CONCATENATE →19 examplesDate & Time
Calculate due dates, ages, business days, month ends, week numbers, durations, and date-based reporting periods.
Includes Convert Text Dates, DATE, DATEDIF, DAY →21 examplesMath
Sum values, round numbers, calculate totals, build running totals, generate sequences, and control numeric output.
Includes ABS, AGGREGATE, CEILING, FLOOR →16 examplesFinancial
Calculate payments, interest, investment returns, margins, ROI, NPV, IRR, CAGR, and loan schedules.
Includes Break-Even, CAGR, FV, Gross Margin →20 examplesStatistics
Count records, average values, rank results, find percentiles, calculate variation, and summarize datasets.
Includes AVERAGE, AVERAGEIF, AVERAGEIFS, COUNT →9 examplesData Cleaning
Fix messy imports, remove unwanted characters, clean phone numbers, detect duplicates, and validate input.
Includes Clean Phone Numbers, Conditional Formatting Formula, Convert Numbers Stored as Text, Data Validation List →Popular Excel formula examples
These are good starting points for most spreadsheet users.
How to use these pages
- Open the formula page closest to your task.
- Copy the beginner example first and test it with your own cells.
- Read the common mistakes before applying it to a full workbook.
- Move to the intermediate or advanced examples only after the basic version works.