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

Data Analysis

  • How to calculate average last N values in a table in Excel
  • Excel Frequency Function Example
  • How To Filter Data in Excel
  • Understanding Pivot Tables in Excel
  • How to count table rows in Excel

References

  • MATCH function: Description, Usage, Syntax, Examples and Explanation
  • Multi-criteria lookup and transpose in Excel
  • How to use Excel TRANSPOSE Function
  • Get nth match with INDEX / MATCH in Excel
  • VLOOKUP function: Description, Usage, Syntax, Examples and Explanation

Data Validations

  • Excel Data validation allow weekday only
  • Excel Data validation must begin with
  • Excel Data validation only dates between
  • Excel Data validation don’t exceed total
  • Excel Data validation must not contain

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Your email address will not be published.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

  • SWITCH function example in Excel
  • Not Equal To ‘<>‘ operator in Excel
  • IF with boolean logic in Excel
  • Extract multiple matches into separate rows in Excel
  • How to use IFS function in Excel

Date Time

  • Convert Excel time to Unix time in Excel
  • Add workdays no weekends in Excel
  • Display Date is workday in Excel
  • How to calculate next scheduled event in Excel
  • Generate series of dates by weekends in Excel

Grouping

  • Group arbitrary text values in Excel
  • How to randomly assign data to groups in Excel
  • Running count group by n size in Excel
  • Group times into unequal buckets in Excel
  • Map text to numbers in Excel

General

  • 44 Practical Excel IF function Examples
  • How to calculate percent sold in Excel
  • How to calculate percent of students absent in Excel
  • 3D SUMIF for multiple worksheets in Excel
  • Using Existing Templates in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning