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

Data Analysis

  • How to Create Gantt Chart in Excel
  • Add Outline to Data in Excel
  • How to Create Area Chart in Excel
  • How to calculate average last N values in a table in Excel
  • How to Create One and Two Variable Data Tables in Excel

References

  • Offset in Excel
  • How to get first row number in range in Excel
  • Count rows that contain specific values in Excel
  • Extract all partial matches in Excel
  • Two-column Lookup in Excel

Data Validations

  • Excel Data validation number multiple 100
  • Excel Data validation must not contain
  • Excel Data validation whole percentage only
  • Excel Data validation require unique number
  • Excel Data validation date in specific year

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Your email address will not be published.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
  • Nested IF function example in Excel
  • OR function: Description, Usage, Syntax, Examples and Explanation
  • IF with wildcards in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Basic timesheet formula with breaks in Excel
  • SECOND function: Description, Usage, Syntax, Examples and Explanation
  • Excel Date & Time Functions Example
  • How to calculate workdays per month in Excel
  • Convert Unix time stamp to Excel date

Grouping

  • Categorize text with keywords in Excel
  • Group numbers with VLOOKUP in Excel
  • Group times into unequal buckets in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers at uneven intervals in Excel

General

  • How to generate random date between two dates in Excel
  • How to calculate percentage discount in Excel
  • Transpose: Switch ‘Rows to Columns’ or ‘Columns to Rows’ in Excel
  • How to set or clear a print area in Excel Worksheet
  • Create dynamic workbook reference to another workbook in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning