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

Data Analysis

  • Use Data Form to input, edit and delete records in Excel
  • How to count table columns in Excel
  • Chart Axes in Excel
  • How to Use Solver Tool in Excel
  • What-If Analysis: Scenarios and Goal Seek in Excel

References

  • How to use Excel MATCH Function
  • How to use Excel TRANSPOSE Function
  • How to use Excel LOOKUP Function
  • How to get last row in numeric data in Excel
  • Lookup entire row in Excel

Data Validations

  • Excel Data validation no punctuation
  • Excel Data validation unique values only
  • Excel Data validation number multiple 100
  • Excel Data validation exists in list
  • How To Create Drop-down List in Excel

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Your email address will not be published.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

  • IF with boolean logic in Excel
  • How to use Excel NOT Function
  • IFERROR function: Description, Usage, Syntax, Examples and Explanation
  • IF function: Description, Usage, Syntax, Examples and Explanation
  • AND function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Convert decimal hours to Excel time
  • Get days, hours, and minutes between dates in Excel
  • Display Days until expiration date in Excel
  • List holidays between two dates in Excel
  • How to get workdays between dates in Excel

Grouping

  • Map text to numbers in Excel
  • Running count group by n size in Excel
  • If cell contains one of many things in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers at uneven intervals in Excel

General

  • Find, Select, Replace and Go To Special in Excel
  • How to get Excel workbook path only
  • Convert column letter to number in Excel
  • Subtotal invoices by age in Excel
  • AutoRecover file that was never saved in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning