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

Data Analysis

  • Subtotal function in Excel
  • Data Series in Excel
  • How to create a Histogram in Excel
  • Use Data Form to input, edit and delete records in Excel
  • How To Create Pareto Chart in Excel

References

  • VLOOKUP function: Description, Usage, Syntax, Examples and Explanation
  • How to get last row in numeric data in Excel
  • How to use Excel MMULT Function
  • Vlookup Examples in Excel
  • Merge tables with VLOOKUP in Excel

Data Validations

  • Excel Data validation whole percentage only
  • Excel Data validation with conditional list
  • Excel Data validation don’t exceed total
  • Excel Data validation allow uppercase only
  • How To Create Drop-down List in Excel

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Your email address will not be published.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

  • Not Equal To ‘<>‘ operator in Excel
  • Excel If, Nested If, And/Or Criteria Examples
  • SWITCH function example in Excel
  • IFNA function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel NOT Function

Date Time

  • How to get Weekdays, Working days between Two Dates in Excel
  • Get first day of previous month in Excel
  • Sum race time splits in Excel
  • Convert text to date in Excel
  • NOW function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • How to randomly assign people to groups in Excel
  • Group times into 3 hour buckets in Excel
  • Categorize text with keywords in Excel
  • Group arbitrary text values in Excel
  • If cell contains one of many things in Excel

General

  • Basic text sort formula in Excel
  • Freeze and Unfreeze Panes in Excel
  • How to create dynamic worksheet reference in Excel
  • Hide and Unhide Columns or Rows in Excel
  • How to generate random date between two dates in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning