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

Data Analysis

  • How to create Gauge Chart in Excel
  • Create Scatter Chart in Excel
  • How to conditionally sum numeric data in an Excel table using SUMIFS
  • Understanding Anova in Excel
  • Conditional Formatting Rules in Excel

References

  • How to reference named range different sheet in Excel
  • Lookup entire row in Excel
  • How to use Excel VLOOKUP Function
  • Perform case-sensitive Lookup in Excel
  • How to use Excel COLUMN Function

Data Validations

  • Excel Data validation only dates between
  • Excel Data validation date in specific year
  • Excel Data validation don’t exceed total
  • Prevent invalid data entering in specific cells
  • Excel Data validation require unique number

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Your email address will not be published.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
  • Extract multiple matches into separate rows in Excel
  • OR function: Description, Usage, Syntax, Examples and Explanation
  • FALSE function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel TRUE Function

Date Time

  • Add days to date in Excel
  • Calculate expiration date in Excel
  • Display the current date and time in Excel
  • Count times in a specific range in Excel
  • How to get year from date in Excel

Grouping

  • Calculate conditional mode with criteria in Excel
  • If cell contains one of many things in Excel
  • Running count group by n size in Excel
  • Group numbers at uneven intervals in Excel
  • Group times into unequal buckets in Excel

General

  • Automatically fill series of cells in Excel using AutoFill
  • Using Existing Templates in Excel
  • Flash Fill in Excel
  • Subtotal by invoice number in Excel
  • How to calculate profit margin percentage in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning