Skip to content
Free Excel Tutorials
  • Home
  • Excel For Beginners
  • Excel Intermediate
  • Advanced Excel For Experts

Data Analysis

  • How to count table rows in Excel
  • Understanding Pivot Tables in Excel
  • Subtotal function in Excel
  • How To Create Frequency Distribution in Excel
  • Chart Axes in Excel

References

  • Extract data with helper column in Excel
  • Convert text string to valid reference in Excel using Indirect function
  • How to get relative row numbers in a range in Excel
  • How to use Excel ROWS Function
  • How to get relative column numbers in a range in Excel

Data Validations

  • Excel Data validation allow uppercase only
  • Excel Data validation require unique number
  • Prevent invalid data entering in specific cells
  • Data validation must not exist in list
  • Excel Data validation specific characters only

Tag: ATAN function

ATAN function: Description, Usage, Syntax, Examples and Explanation

by

What is ATAN function in Excel? ATAN function is one of the Math and Trig functions in Microsoft Excel that returns the arctangent, or inverse tangent, of a number. The arctangent is the angle whose tangent is number. The returned angle is given in radians in the range -pi/2 to pi/2. Syntax of ATAN function ATAN(number) The …

Continue Reading

Learn Basic Excel

Ribbon
Workbook
Worksheets
Format Cells
Find & Select
Sort & Filter
Templates
Print
Share
Protect
Keyboard Shortcuts

Categories

  • Charts
  • Data Analysis
  • Data Validation
  • Excel Functions
    • Cube Functions
    • Database Functions
    • Date and Time Functions
    • Engineering Functions
    • Financial Functions
    • Information Functions
    • Logical Functions
    • Lookup and Reference Functions
    • Math and Trig Functions
    • Statistical Functions
    • Text Functions
    • Web Functions
  • Excel VBA
  • Excel Video Tutorials
  • Formatting
  • Grouping
  • Others

Logical Functions

  • AND function: Description, Usage, Syntax, Examples and Explanation
  • XOR function: Description, Usage, Syntax, Examples and Explanation
  • SWITCH function: Description, Usage, Syntax, Examples and Explanation
  • Nested IF function example in Excel
  • IFERROR function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Convert decimal seconds to Excel time
  • How to calculate Day of the Year in Excel
  • Custom weekday abbreviation in Excel
  • EOMONTH function: Description, Usage, Syntax, Examples and Explanation
  • WORKDAY.INTL function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • How to randomly assign data to groups in Excel
  • How to randomly assign people to groups in Excel
  • Group times into unequal buckets in Excel
  • Calculate conditional mode with criteria in Excel
  • Categorize text with keywords in Excel

General

  • Count cells less than in Excel
  • How to get Excel workbook path only
  • Currency vs Accounting Format in Excel
  • Advanced Number Formats in Excel
  • Find Most Frequently Occurring Word in Excel Worksheet
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning