Beginner level · Module 1 of 5 · 10 guided hours
Reliable Formulas and Excel Tables
Refresh core formula skills and build workbooks on Excel tables, named ranges and validation so formulas stay correct as data grows.
Learning objectives
- Use relative, absolute and mixed references correctly
- Store data in Excel tables and use structured references
- Prevent and handle errors with data validation and IFERROR
Topics
- relative, absolute and mixed references
- named ranges
- Excel tables
- structured references
- data validation
- IFERROR and error types
Lessons
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Lesson 1 References and Named Ranges
Use relative, absolute and mixed references deliberately, and name important cells and ranges.
relative referenceabsolute reference $A$1mixed referencenamed range
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Lesson 2 Excel Tables and Structured References
Store data in Excel tables so formulas, formatting and summaries grow with the data.
Ctrl+Ttable namecalculated columntotal row
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Lesson 3 Validation and Error Handling
Stop bad data at entry with data validation, and handle formula errors cleanly.
data validationdrop-down list#N/A, #DIV/0!, #VALUE!IFERROR
Practical activity
Convert a messy sales sheet into an Excel table with validated inputs and a summary block that keeps working when rows are added.
Expected outcomes
- Workbooks that stay correct as data changes
- Fewer data-entry errors
Assessment
Practical: repair a workbook with broken references and unvalidated inputs; marked on correctness after new rows are added.
Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.