Formula Guides & Tutorials
Practical guides for Excel and Google Sheets formulas — from VLOOKUP basics to advanced array formulas.
LookupBoth
VLOOKUP vs INDEX-MATCH: Which Should You Use in 2026?
A practical comparison of VLOOKUP and INDEX-MATCH with real examples. Learn when each approach wins and how to convert between them.
MathBoth
SUMIFS with Multiple Criteria: Complete Guide with Examples
Master SUMIFS for conditional summing across multiple criteria. Includes date ranges, text matching, and wildcard patterns.
TextBoth
How to Extract Text Between Parentheses, Commas, or Any Characters
Step-by-step formulas to extract substrings in Excel and Google Sheets using MID, FIND, SEARCH, and REGEXEXTRACT.
MathBoth
Count Unique Values in a Range: 4 Methods Compared
From SUMPRODUCT to UNIQUE function — learn all the ways to count distinct values in Excel and Google Sheets.
ConversionBoth
Converting Excel Formulas to Google Sheets: The Complete Mapping Guide
Every function difference between Excel and Google Sheets explained. Array formulas, named ranges, and platform-specific functions.