Excel Function

Data Analysis

What is Standard Deviation? There are too many Excel functions for Standard Deviation!

This article explains 'What Standard Deviation is', 'Why it's needed', and differences between 'Population' and 'Sample'...
PC / Excel Technique

Excel: How to Sum Data by Week, Month and Year【Data Analysis Excel Skill】

Excel Date Aggregation: We need to sum data by week, month or year frequently. The easiest way is to use a work column a...
PC / Excel Technique

TEXT Function, which makes dates and numbers easily read and understood【Excel Skills】

Today's topic is 'The TEXT Function'. This TEXT function's role is to make dates and numbers easily read and understood ...
PC / Excel Technique

How to learn Excel functions, and look at Excel functions: SUM, SUMIF and SUMIFS

In the spreadsheet, which Excel function we should use depends on what results you want to get and the conditions of the...
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