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

Data Analysis

  • Excel Frequency Function Example
  • Understanding Anova in Excel
  • How to calculate current stock or inventory in Excel
  • Number and Text Filters Examples in Excel
  • Example of COUNTIFS with variable table column in Excel

References

  • Two-column Lookup in Excel
  • How to use Excel TRANSPOSE Function
  • Two-way lookup with VLOOKUP in Excel
  • Merge tables with VLOOKUP in Excel
  • Find closest match in Excel

Data Validations

  • How To Create Drop-down List in Excel
  • Excel Data validation with conditional list
  • Excel Data validation don’t exceed total
  • Excel Data validation must not contain
  • Excel Data validation number multiple 100

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Your email address will not be published.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

  • Nested IF function example in Excel
  • How to use IFS function in Excel
  • How to use Excel XOR Function
  • Excel If, Nested If, And/Or Criteria Examples
  • IF function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • TIME function: Description, Usage, Syntax, Examples and Explanation
  • Get work hours between dates custom schedule in Excel
  • Custom weekday abbreviation in Excel
  • Display Date is workday in Excel
  • NOW function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • Group numbers with VLOOKUP in Excel
  • Calculate conditional mode with criteria in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers at uneven intervals in Excel
  • If cell contains one of many things in Excel

General

  • Index and match on multiple columns in Excel
  • AutoRecover file that was never saved in Excel
  • List worksheet index numbers in Excel
  • Transpose: Switch ‘Rows to Columns’ or ‘Columns to Rows’ in Excel
  • Print Excel Sheet In Landscape Or Portrait
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning