SWITCH Function in Excel: Match One Value Against a List
SWITCH compares one value with a list and returns the matching result — cleaner than nested IFs for exact matches.
Read article →HLOOKUP Function in Excel: Look Up Across the Top Row of a Table
HLOOKUP Function in Excel: Look Up Across the Top Row of a Table
HLOOKUP is VLOOKUP turned sideways: it searches the top row and returns a value from a row below.
Read article →ROW Function in Excel: Row Number of a Cell
ROW Function in Excel: Row Number of a Cell
ROW returns the row number of a reference (or of the cell it is in). It is the quiet engine behind serial numbers and…
Read article →IFS Function in Excel: Several Conditions Without Nested IFs
IFS Function in Excel: Several Conditions Without Nested IFs
IFS checks conditions in order and returns the value for the first TRUE one — cleaner than nesting IF inside IF.
Read article →IFNA Function in Excel: Handle “Not Found” Only
IFNA Function in Excel: Handle “Not Found” Only
IFNA replaces only #N/A — the “not found” result of lookups — and lets real errors show.
Read article →Build a Dynamic Excel Chart That Changes with a Dropdown
Build a Dynamic Excel Chart That Changes with a Dropdown
Create one chart that switches between regions, products or years from a dropdown list — using Data Validation, XLOOKUP or INDEX-MATCH, and a small…
Read article →ISERR Function in Excel: Any Error Except #N/A
ISERR Function in Excel: Any Error Except #N/A
ISERR is TRUE for every error except #N/A. That lets you treat “not found” as normal while still catching real breakages like #DIV/0! or…
Read article →SQL from Zero: A Complete Beginner’s Guide (with Practice)
SQL from Zero: A Complete Beginner’s Guide (with Practice)
Learn SQL from the very beginning: tables, SELECT, WHERE, ORDER BY, aggregates, GROUP BY, JOINs, NULLs, subqueries, CTEs, window functions and changing data —…
Read article →ISODD Function in Excel: Is the Number Odd?
ISODD Function in Excel: Is the Number Odd?
ISODD returns TRUE for odd numbers (decimals are truncated first).
Read article →VLOOKUP Function in Excel: Look Up a Value in the First Column of a Table
VLOOKUP Function in Excel: Look Up a Value in the First Column of a Table
VLOOKUP finds a value in the first column of a table and returns a value from another column in the same row.
Read article →SEQUENCE Function in Excel: Generate a List of Numbers or Dates
SEQUENCE Function in Excel: Generate a List of Numbers or Dates
SEQUENCE creates a spilled list of numbers — serial numbers, calendars, repeating patterns.
Read article →Protect Excel Sheets and Workbooks the Right Way
Protect Excel Sheets and Workbooks the Right Way
Lock formulas while letting people type in input cells, protect the workbook structure, and understand what Excel protection does — and does not —…
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