IMSUB in WPS on Windows: Introduction

WPS IMSUB is a complex-number subtraction function in Spreadsheet; this guide covers 3 core tasks, with 3 available without membership and 0 membership-related items.

At a Glance

Metric	Value	Notes
Core tasks	3	Matches the number of rows in the How-to Index
Available without membership	3	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

IMSUB is an engineering function in WPS Spreadsheet that calculates the difference between two complex numbers. You can enter it directly in the formula bar, follow syntax prompts while filling arguments, and combine it with cross-sheet references or nested formulas for more advanced analysis. Results update automatically when referenced data changes, which makes it useful for engineering calculations, classroom examples, and spreadsheet modeling.

System Requirements

Item	Requirement
Operating system	A Windows device that can run WPS Office normally
App version	It is recommended to use the latest version of WPS Office
Network	Local formula calculation does not require a constant internet connection; download, installation, and account services do require network access
Other	You need to open Spreadsheet and edit formulas in cells

Download & Installation

Item	Details
Official download	WPS Office Free Download
Check after installation	Open WPS Office, open a spreadsheet, and confirm that the Formula tab and formula bar are available

Source: WPS Download Center

Compare with Alternatives

Dimension	WPS	Microsoft	Google	Notion	Adobe
Capability Summary	Provides the IMSUB function in Spreadsheet to calculate the difference between two complex numbers, with syntax prompts, cross-sheet references, and nested-formula support.	Excel provides IMSUB and describes it as returning the difference of two complex numbers, with COMPLEX available for complex-number input preparation.	Google Sheets provides IMSUB, documents both i and j suffixes, and includes syntax notes and examples.	Notion formulas support calculations with properties, operators, and functions, but its help content does not describe an IMSUB-style spreadsheet function for complex numbers.	Acrobat focuses on PDF form calculations such as sum, product, average, minimum, and maximum, rather than spreadsheet-style IMSUB functions.
WPS Advantages	Advantage: You can enter IMSUB directly in spreadsheet cells. Distinct: Cross-sheet references and nested formulas fit everyday spreadsheet analysis workflows.	Compared with WPS: It also supports IMSUB, but the official page is centered more on syntax and examples.	Compared with WPS: It also supports IMSUB and explicitly notes suffix consistency for complex numbers.	Compared with WPS: It is designed more for database-property formulas than cell-based engineering functions for complex numbers.	Compared with WPS: It is designed more for PDF form field calculations than spreadsheet-based complex-number formulas.
Official Source	—	IMSUB function	IMSUB	Intro to formulas	Configure form field calculations in Acrobat

Overall Conclusion: If your work centers on complex-number calculations in spreadsheets, WPS, Microsoft Excel, and Google Sheets all provide a direct IMSUB function. Notion and Adobe are better aligned with database formulas or PDF form calculations, while WPS stays close to a familiar spreadsheet editing and formula-entry workflow on Windows.

Use Cases

No.	Scenario	Suitable for	Main challenge	How IMSUB helps
1	Complex-number subtraction	Engineering, research, and teaching users	Manual subtraction of complex numbers is easy to get wrong	Enter IMSUB in a cell to return the result directly
2	Cross-sheet analysis	Users working with multiple worksheets	Formula writing becomes harder across sheets	Use IMSUB together with cross-sheet references
3	Nested formula models	Users building multi-step calculations	Splitting calculations across many cells increases maintenance work	Nest IMSUB with other functions
4	Dynamic result updates	Users who adjust inputs often	Recalculating repeatedly takes time	Let automatic recalculation refresh the result
5	Formula learning and demos	Beginners and trainers	Argument format and input rules can be unclear	Use syntax prompts to complete the formula faster

Membership & Benefits

Free vs WPS Premium

Capability	Free users	WPS Premium
IMSUB function	✅ Available	✅ Available
Basic spreadsheet editing	✅ Available	✅ Available
Other advanced value-added features	Available within the free scope shown on the product pages	Includes more advanced features and membership benefits

Recommendations

Scenario	Recommended plan	Why
Everyday study and basic complex-number calculations	Free plan	IMSUB itself has no membership restriction for this feature and can handle common calculations directly
Long-term users who also need more advanced office features	WPS Premium	Suitable if you want broader advanced tools and added services in the same account

WPS membership center: Subscribe now

Source: WPS Office pricing page