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

Data Analysis

  • Working With Tables in Excel
  • Conditional Formatting Color Scales Examples in Excel
  • Excel Frequency Function Example
  • How To Create Pareto Chart in Excel
  • How To Create Frequency Distribution in Excel

References

  • Merge tables with VLOOKUP in Excel
  • How to use Excel LOOKUP Function
  • Multi-criteria lookup and transpose in Excel
  • How to retrieve first match between two ranges in Excel
  • How to get relative row numbers in a range in Excel

Data Validations

  • Excel Data validation with conditional list
  • Excel Data validation only dates between
  • Excel Data validation exists in list
  • Excel Data validation must contain specific text
  • Excel Data validation whole percentage 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

  • How to use Excel NOT Function
  • AND function: Description, Usage, Syntax, Examples and Explanation
  • SWITCH function example in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation
  • NOT function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Get project end date in Excel
  • Get week number from date in Excel
  • How to get number of days, weeks, months or years between two dates in Excel
  • How to calculate Quarter of Date in Excel
  • How to calculate next day of week in Excel

Grouping

  • Calculate conditional mode with criteria in Excel
  • Group arbitrary text values in Excel
  • If cell contains one of many things in Excel
  • How to randomly assign people to groups in Excel
  • Map inputs to arbitrary values in Excel

General

  • How to count total number of cells in a rectangular range in Excel
  • Basic error trapping example in Excel
  • How to generate random date between two dates in Excel
  • 3D SUMIF for multiple worksheets in Excel
  • How to create dynamic worksheet reference in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning