Formulas & Functions

Learn Excel formulas from basics to advanced techniques.

9 articles in Tutorials

Excel what-if analysis
Tutorial7 min

Excel What-If Analysis: Goal Seek, Scenarios, and Data Tables

Excel's What-If tools help you explore possibilities without manually changing values. Here's how to use them.

Jon Muller·Oct 31, 2025
Excel LET function
Tutorial6 min

Excel LET Function: Name Your Calculations for Cleaner Formulas

LET makes complex formulas readable and efficient by naming intermediate calculations. Here's how to use it.

Jon Muller·Oct 20, 2025
Excel LAMBDA functions
Tutorial8 min

Excel LAMBDA: Create Your Own Custom Functions Without VBA

LAMBDA lets you build reusable custom functions using only formulas. Here's how to get started.

Jon Muller·Oct 17, 2025
Power Query introduction
Tutorial10 min

Power Query for Beginners: Transform Your Data Without Formulas

Power Query can replace hours of manual data cleaning with repeatable transformations. Here's how to get started.

Jon Muller·Oct 6, 2025
Excel project timeline
Tutorial8 min

Creating a Project Timeline in Excel: Dates, Durations, and Gantt Charts

Build a project timeline with calculated durations, milestone tracking, and a simple Gantt chart using conditional formatting.

Jon Muller·Jun 9, 2025
Excel time tracking
Tutorial7 min

Building a Time Tracking Sheet in Excel: Dates, Times, and Calculations

How to create a robust time tracking spreadsheet with proper date/time handling for accurate hour calculations.

Jon Muller·Jun 2, 2025
Excel date calculations
Tutorial8 min

Essential Date Calculations in Excel: DATEDIF, EDATE, NETWORKDAYS, and More

Master the key date functions for calculating age, months between dates, workdays, and other common date math.

Jon Muller·May 30, 2025
Excel date validation
Tutorial6 min

How to Add Date Validation in Excel (Restrict to Valid Date Ranges)

Step-by-step guide to using data validation for dates, including custom rules for business date requirements.

Jon Muller·May 23, 2025
Consolidate Excel sheets
Tutorial8 min

How to Consolidate Data from Multiple Sheets in Excel

Step-by-step guide to combining data from multiple sheets using formulas, Power Query, and the Consolidate feature.

Jon Muller·May 12, 2025

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