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

Data Analysis

  • Reverse List in Excel
  • Conditional Formatting Color Scales Examples in Excel
  • Understanding Pivot Tables in Excel
  • How To Insert and Customize Sparklines in Excel
  • How to conditionally sum numeric data in an Excel table using SUMIFS

References

  • How to use Excel ROW Function
  • Vlookup Examples in Excel
  • Merge tables with VLOOKUP in Excel
  • LOOKUP function: Description, Usage, Syntax, Examples and Explanation
  • INDEX function: Description, Usage, Syntax, Examples and Explanation

Data Validations

  • Excel Data validation exists in list
  • How To Create Drop-down List in Excel
  • Excel Data validation must contain specific text
  • Excel Data validation no punctuation
  • Excel Data validation unique values only

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Your email address will not be published.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

  • Complete List of Excel Logical Functions, References and Examples
  • How to use Excel XOR Function
  • How to return blank in place of #DIV/0! error in Excel
  • SWITCH function example in Excel
  • How to use Excel OR Function

Date Time

  • Get work hours between dates and times in Excel
  • Convert text timestamp into time in Excel
  • Get first day of month in Excel
  • Convert Excel time to Unix time in Excel
  • Get last day of month in Excel

Grouping

  • Running count group by n size in Excel
  • How to randomly assign people to groups in Excel
  • Group arbitrary text values in Excel
  • Map text to numbers in Excel
  • Map inputs to arbitrary values in Excel

General

  • Subtotal invoices by age in Excel
  • Hide and Unhide Columns or Rows in Excel
  • Count cells less than in Excel
  • Count cells that do not contain errors in Excel
  • Delete Blank Rows at Once in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning