Excel チュートリアル

Learn how to use Excel’s MEDIAN() function to find the middle value in a dataset. Compare it with AVERAGE(), handle common quirks, and apply it your own work.

Learn how to use Python in Excel to run advanced analytics, create visuals, and apply machine learning within your existing spreadsheet workflows.

Calculate the last day of any month with Excel's EOMONTH() function. Use it to streamline financial schedules, reporting periods, and monthly workflows.

Unlock matrix multiplication in Excel with the MMULT() function. This guide explains how to use MMULT(), its syntax, and you will learn its applications in data analysis.

Find data across tables. Look up values quickly. Organize your information without manual searching.

Unlock the power of linear regression in Excel with the versatile LINEST() function. Learn how to use LINEST() for trend analysis, forecasting, and more.

Calculate the strength of a linear relationship between two data sets. Use RSQ() to find the coefficient of determination quickly in Excel. Learn syntax, see practical examples, and troubleshoot common mistakes.

Identify all kinds of errors in your Excel formulas with the ISERROR() function.

Get the current date and time instantly in Excel with the NOW() function. Learn how to use NOW(), its syntax, and practical examples for dynamic spreadsheets.

Easily manage errors in your Excel formulas with the IFERROR() function. Learn how to use IFERROR() to keep your spreadsheets clean and professional.

Round down with precision using Excel’s FLOOR() function. Perfect for pricing, scheduling, and more.

Master the basics of the Excel SQRT() function. Learn how to use SQRT() for quick square root calculations and address common errors.