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

Data Analysis

  • Working With Tables in Excel
  • How to sum a total in multiple Excel tables
  • How to Create Thermometer Chart in Excel
  • How To Perform and Interpret Regression Analysis in Excel
  • How to count table columns in Excel

References

  • Convert text string to valid reference in Excel using Indirect function
  • CHOOSE function: Description, Usage, Syntax, Examples and Explanation
  • How to create dynamic named range with OFFSET in Excel
  • Offset in Excel
  • Create hyperlink with VLOOKUP in Excel

Data Validations

  • Excel Data validation date in specific year
  • Excel Data validation unique values only
  • Excel Data validation with conditional list
  • Excel Data validation only dates between
  • 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Your email address will not be published.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

  • IF with boolean logic in Excel
  • Not Equal To ‘<>‘ operator in Excel
  • AND function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel TRUE Function
  • IFS function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Steps to create Dynamic calendar grid in Excel
  • Add years to date in Excel
  • How to get same date next year or previous year in Excel
  • Display Date is same month in Excel
  • Add days to date in Excel

Grouping

  • Map text to numbers in Excel
  • Group times into 3 hour buckets in Excel
  • If cell contains one of many things in Excel
  • How to randomly assign people to groups in Excel
  • How to randomly assign data to groups in Excel

General

  • Cell References: Relative, Absolute and Mixed Referencing Examples
  • 44 Practical Excel IF function Examples
  • Transpose: Switch ‘Rows to Columns’ or ‘Columns to Rows’ in Excel
  • Excel Default Templates
  • Basic error trapping example in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning