IMSUM in WPS on Windows: Introduction

The IMSUM function in WPS helps you add complex numbers in spreadsheets; this guide covers 4 core tasks, with 4 available without membership and 0 membership-related items.

At a Glance

Metric	Value	Notes
Core tasks	4	Matches the number of rows in the How-to Index
Available without membership	4	Matches the number of Free rows in the index
Membership-related items	0	Matches the number of membership-related rows in the index

About This Feature

Overview

The IMSUM function in WPS on Windows is a spreadsheet formula for adding two or more complex numbers. You can enter it directly in a cell or in the formula bar when you need complex-number calculations, worksheet references, or formulas that update as source values change.

Core capabilities include:

Start with =IMSUM( to view the function syntax prompt.
Enter complex numbers or cell references as arguments for addition.
Use references from other cells or worksheets in the same formula.
Let results update automatically after referenced values change.

System Requirements

Item	Requirement
Operating system	A Windows device that can run WPS Office normally
App version	The latest version of WPS Office is recommended
Network	No mandatory internet connection is required for local formula calculation; downloading, installation, and account services require internet access
Other	You need to open a spreadsheet file and have permission to edit formulas in cells

Download & Installation

Item	Details
Official download	WPS Office Free Download
Post-install check	Open WPS Office, create or open a spreadsheet, and type `=IMSUM(` in a cell to confirm that the function prompt appears

Source: WPS Download Center

Compare with Alternatives

Dimension	WPS	Microsoft	Google	Notion	Adobe
Capability Summary	In WPS spreadsheets, IMSUM adds complex numbers and supports syntax prompts, cell references, cross-worksheet references, and recalculation after data changes.	Excel provides the IMSUM function to return the sum of 1 to 255 complex numbers in x+yi or x+yj text format.	The official Google Docs page highlights document writing and Gemini assistance, but it does not describe an IMSUM-style complex-number spreadsheet function on that page.	Notion formulas are designed for database properties, functions, conditions, and property references, rather than a spreadsheet IMSUM equivalent for complex-number addition.	Adobe Acrobat forms support JavaScript-based calculations, formatting, and validation in PDF forms, rather than spreadsheet functions such as IMSUM.
WPS Advantages	Advantage: You can complete complex-number addition directly in spreadsheet cells. Distinct: It fits spreadsheet references, cross-sheet calculations, and live recalculation workflows.	Compared with WPS: Excel also offers IMSUM, so the function scope is similar for this specific task.	Compared with WPS: this official page focuses on document authoring and AI assistance instead of complex-number spreadsheet formulas.	Compared with WPS: Notion formulas are more focused on database-property logic than cell-based complex-number addition.	Compared with WPS: Adobe focuses on PDF form scripting and field calculations, not spreadsheet IMSUM entry and use.
Official Source	—	IMSUM function	Gemini in Google Docs	Intro to formulas	Using JavaScript in Forms

Overall Conclusion
If your main goal is to add complex numbers directly in a spreadsheet, reference cells, and keep results updated as data changes, WPS provides a workflow that fits everyday spreadsheet use. The other products support their own official calculation or content workflows, but they do not match the IMSUM spreadsheet scenario in the same way.

Use Cases

No.	Scenario	Suitable For	Main Need	How IMSUM Helps
1	Summing complex-number results	Students, teachers, and engineering users	Multiple complex-number results need to be added quickly	Use IMSUM in a cell to total multiple complex-number arguments
2	Cross-sheet calculations	Finance and analysis users	Complex-number data from different worksheets needs to be combined	Reference cells from other worksheets and add them with IMSUM
3	Combining with other formulas	Frequent spreadsheet users	A single step does not cover the full analysis flow	Use IMSUM together with other formulas
4	Tracking changing results	Data and reporting users	Results need to refresh after source data changes	Use automatic recalculation to keep results current

Membership & Benefits

Review what is available for free and what may come with broader WPS plans; for IMSUM itself, this guide covers 4 free tasks and 0 membership-related tasks.

Free vs WPS Premium

Capability	Free	WPS Premium
Basic IMSUM usage	✅ Available	✅ Available
Basic spreadsheet editing	✅ Available	✅ Available
Advanced PDF and selected extended benefits	Available in part as listed on the pricing page	More extended benefits are available
Cloud storage	1 GB	20 GB, or more shared storage depending on plan

Source: WPS Office pricing page

Recommendations

Scenario	Recommended Plan	Why
Everyday study and basic complex-number calculations	Free	IMSUM basics are available without membership for regular spreadsheet work
Broader office needs beyond formulas	WPS Premium	Suitable if you also need more cloud storage, PDF tools, or other extended benefits

WPS membership: Subscribe now