บทเรียน Excel

Learn how to calculate age in Excel using simple, accurate formulas. Discover methods with DATEDIF(), YEARFRAC(), and INT() functions to handle birthdays, specific dates, and special cases.

Learn how to effectively use Excel’s built-in spell check feature to identify and correct errors in your worksheets. This guide covers everything from basic steps to advanced techniques.

Learn multiple methods to insert superscripts in Excel for both text and numbers using formatting tools, keyboard shortcuts, equations, formulas, custom number formats, and VBA. Discover the practical use cases for superscripts in professional and technical contexts.

Discover how to create hyperlinks in Excel using the toolbar, HYPERLINK() function, and macros. Understand dynamic link creation, formatting tips, and workarounds for common limitations.

Learn how absolute references work in Excel formulas to keep specific cell references constant. Discover when to use absolute, relative, and mixed references.

Learn quick ways to reveal hidden columns, including shortcuts, special cases like column A, and how to manage hidden columns for better spreadsheet organization.

Discover reliable methods for converting text to numbers in Excel, including built-in features, formulas, and manual techniques. Learn how to troubleshoot tricky cases where numbers stay stored as text.

Learn how to remove extra rows quickly using sorting, formulas, and VBA, depending on what works best for you.

Learn how to use the ROUND() function and its alternatives in Excel. Learn how to round decimals, integers, and time values.

Learn to use Excel to calculate compound interest along with practical techniques and real-world applications to enhance your financial analysis skills.

Learn how to automate repetitive Excel tasks with Excel macros. Create, use, and manage macros to boost productivity and transform your data workflows.

Discover how Excel's INDIRECT() function transforms text into live references. Learn how to use it for dynamic worksheets, stable cell references, named ranges, and more.