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

Data Analysis

  • How to Create One and Two Variable Data Tables in Excel
  • Subtotal function in Excel
  • How to create running total in an Excel Table
  • How to Use Solver Tool in Excel
  • Conditional Formatting New Rule with Formulas in Excel

References

  • How to get address of last cell in range in Excel
  • How to use Excel COLUMN Function
  • How to use Excel ROWS Function
  • Vlookup Examples in Excel
  • Approximate match with multiple criteria in Excel

Data Validations

  • How To Create Drop-down List in Excel
  • Excel Data validation with conditional list
  • Excel Data validation date in specific year
  • Excel Data validation whole percentage only
  • Excel Data validation no punctuation

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Your email address will not be published.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

  • AND function: Description, Usage, Syntax, Examples and Explanation
  • Return blank if in Excel
  • How to use IFS function in Excel
  • IF with wildcards in Excel
  • FALSE function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Calculate number of hours between two times in Excel
  • Display Days until expiration date in Excel
  • Sum through n months in Excel
  • Calculate date overlap in days in Excel
  • Add business days to date in Excel

Grouping

  • 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
  • Group arbitrary text values in Excel
  • Running count group by n size in Excel

General

  • Check if range contains a value not in another range in Excel
  • Count cells that contain errors in Excel
  • Flash Fill in Excel
  • Excel Operators
  • Create dynamic workbook reference to another workbook in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning