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

Data Analysis

  • How To Insert and Customize Sparklines in Excel
  • How to Create Area Chart in Excel
  • How to calculate average last N values in a table in Excel
  • Excel Frequency Function Example
  • Excel Pie Chart

References

  • Get nth match with INDEX / MATCH in Excel
  • How to use Excel ROW Function
  • Multi-criteria lookup and transpose in Excel
  • Lookup entire row in Excel
  • Perform case-sensitive Lookup in Excel

Data Validations

  • Prevent invalid data entering in specific cells
  • Excel Data validation only dates between
  • Excel Data validation whole percentage only
  • Excel Data validation must contain specific text
  • Excel Data validation must not contain

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

by

What is IMSUM function in Excel?

IMSUM function is one of Engineering functions in Microsoft Excel that returns the sum of two or more complex numbers in x + yi or x + yj text format.

Syntax of IMSUM function

IMSUM(inumber1, [inumber2], …)

The IMSUM function syntax has the following arguments:

  • Inumber1, [inumber2], …    Inumber1 is required, subsequent numbers are not. 1 to 255 complex numbers to add.

IMSUM formula explanation

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.
  • The sum of two complex numbers is:Equation

Example of IMSUM function

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if  need be.

Formula Description Result
=IMSUM(“3+4i”,”5-3i”) Sum of two complex numbers 8+i

Post navigation

Previous Post:

How to generate random date between two dates in Excel

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

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

  • NOT function: Description, Usage, Syntax, Examples and Explanation
  • Invoice status with nested if in Excel
  • How to use IFS function in Excel
  • TRUE function: Description, Usage, Syntax, Examples and Explanation
  • Return blank if in Excel

Date Time

  • Calculate days remaining in Excel
  • Calculate retirement date in Excel
  • Assign points based on late time in Excel
  • WORKDAY.INTL function: Description, Usage, Syntax, Examples and Explanation
  • Get month from date in Excel

Grouping

  • Group numbers at uneven intervals in Excel
  • How to randomly assign data to groups in Excel
  • Map text to numbers in Excel
  • Calculate conditional mode with criteria in Excel
  • Running count group by n size in Excel

General

  • How to calculate total from percentage in Excel
  • Creating and Opening an existing file in Excel
  • 3D SUMIF for multiple worksheets in Excel
  • 231 Keyboard Shortcut Keys In Excel
  • Spell Check in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning