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

Data Analysis

  • Move chart to a separate worksheet in Excel
  • How to create running total in an Excel Table
  • Calculate Conditional Percentile ‘IF’ in table in Excel
  • Excel Pie Chart
  • How to Create Area Chart in Excel

References

  • Count rows with at least n matching values
  • How to use Excel COLUMN Function
  • INDEX function: Description, Usage, Syntax, Examples and Explanation
  • Convert text string to valid reference in Excel using Indirect function
  • Two-column Lookup in Excel

Data Validations

  • Excel Data validation exists in list
  • Excel Data validation must not contain
  • Excel Data validation must contain specific text
  • Excel Data validation must begin with
  • Excel Data validation require unique number

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
  • IF with wildcards in Excel
  • XOR function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel NOT Function
  • SWITCH function example in Excel

Date Time

  • Get date from day number in Excel
  • Display the current date in Excel
  • How to calculate Quarter of Date in Excel
  • Calculate years between dates in Excel
  • Two ways to sum time over 30 minutes in Excel

Grouping

  • Running count group by n size in Excel
  • Categorize text with keywords in Excel
  • Map text to numbers in Excel
  • Group times into unequal buckets in Excel
  • Group numbers at uneven intervals in Excel

General

  • How to Create Calendar in Excel
  • How to generate random date between two dates in Excel
  • Select, Insert, Rename, Move, Delete Worksheets in Excel
  • Index and match on multiple columns in Excel
  • How to test a range for numbers in Excel
© 2025 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning