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

Data Analysis

  • Chart Axes in Excel
  • Number and Text Filters Examples in Excel
  • How to Create Gantt Chart in Excel
  • Working With Tables in Excel
  • How to calculate current stock or inventory in Excel

References

  • How to get last row in text data in Excel
  • How to get last column number in range in Excel
  • Basic INDEX MATCH approximate in Excel
  • How to use Excel ROW Function
  • How to use Excel VLOOKUP Function

Data Validations

  • Excel Data validation date in next 30 days
  • Excel Data validation exists in list
  • Excel Data validation must not contain
  • Excel Data validation allow uppercase only
  • Excel Data validation number multiple 100

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Your email address will not be published.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

  • TRUE function: Description, Usage, Syntax, Examples and Explanation
  • IF with wildcards in Excel
  • How to use Excel TRUE Function
  • OR function Examples in Excel
  • IF, AND, OR and NOT Functions Examples in Excel

Date Time

  • Calculate date overlap in days in Excel
  • Convert Excel time to decimal minutes
  • Get days between dates in Excel
  • How to calculate future date say 6 months ahead in Excel
  • WORKDAY function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • Calculate conditional mode with criteria in Excel
  • Categorize text with keywords in Excel
  • Group times into unequal buckets in Excel
  • How to randomly assign people to groups in Excel
  • Running count group by n size in Excel

General

  • Check if range contains a value not in another range in Excel
  • Create dynamic workbook reference to another workbook in Excel
  • How to generate random number between two numbers in Excel
  • Freeze and Unfreeze Panes in Excel
  • Index and match on multiple columns in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning