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

Data Analysis

  • How to combine 2 or more chart types in a single chart in Excel
  • Excel Frequency Function Example
  • How to Create Area Chart in Excel
  • How to conditionally sum numeric data in an Excel table using SUMIFS
  • Number and Text Filters Examples in Excel

References

  • How to use Excel TRANSPOSE Function
  • How to get last row in numeric data in Excel
  • How to calculate two-way lookup VLOOKUP in Excel Table
  • VLOOKUP function: Description, Usage, Syntax, Examples and Explanation
  • How to retrieve first match between two ranges in Excel

Data Validations

  • Excel Data validation must not contain
  • Excel Data validation allow uppercase only
  • Prevent invalid data entering in specific cells
  • Excel Data validation number multiple 100
  • Excel Data validation date in next 30 days

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Your email address will not be published.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

  • Nested IF function example in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation
  • IF with wildcards in Excel
  • IFERROR function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel OR Function

Date Time

  • Get project end date in Excel
  • Get date from day number in Excel
  • Add decimal hours to time in Excel
  • Calculate years between dates in Excel
  • Get month name from date in Excel

Grouping

  • Group numbers with VLOOKUP in Excel
  • Calculate conditional mode with criteria in Excel
  • If cell contains one of many things in Excel
  • Group numbers at uneven intervals in Excel
  • How to randomly assign data to groups in Excel

General

  • Count cells that contain errors in Excel
  • How to calculate percent variance in Excel
  • How to calculate project complete percentage in Excel
  • AutoFit Column Width, AutoFit Row Height in Excel
  • Subtotal by color in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning