FACTDOUBLE in WPS on Windows: Introduction

WPS FACTDOUBLE is a double-factorial function in WPS Spreadsheet for Windows; 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

FACTDOUBLE is a math and trigonometry function in WPS Spreadsheet that returns the double factorial of a number. When you type the function, the editing area can show syntax guidance so you can confirm the parameter format. You can enter the formula directly in a cell or use a cell reference for repeated calculations, and the result updates when referenced data changes.

Core capabilities include:

Use =FACTDOUBLE(number) to return a double factorial result for worksheet calculations.
View syntax guidance while entering the function.
Use cell references for repeated calculations across rows or columns.
Recalculate results automatically when referenced values change.

System Requirements

Item	Requirement
Operating system	A Windows device that can run WPS Office
App version	It is recommended to use the latest version of WPS Office
Network	A network connection is needed for download, installation, and account-related services; local formula calculation does not require a constant connection
Other	You need access to WPS Spreadsheet and an editable worksheet

Download & Installation

Item	Details
Official download	WPS Office Free Download
Check after installation	Open WPS Office, create or open a spreadsheet, type `=FACTDOUBLE(` in a cell, and confirm that formula entry and result calculation are available

Source: WPS download page

Compare with Alternatives

Dimension	WPS	Microsoft	Google	Notion	Adobe
Capability Summary	In WPS Spreadsheet, you can enter the FACTDOUBLE function directly in a cell to calculate a double factorial, with syntax guidance, cell references, and recalculation as worksheet data changes.	Excel provides `FACTDOUBLE(number)` to return the double factorial of a number, truncates non-integers, and documents `#VALUE!` and `#NUM!` error behavior.	Google Sheets provides `FACTDOUBLE(value)` to return the double factorial of a number and truncates decimal parts before calculation.	Notion provides a general formula system with math operators and functions, but no dedicated FACTDOUBLE function page was found.	Adobe Acrobat Sign supports calculated fields in forms, which are designed for document-field calculations rather than spreadsheet functions.
WPS Advantages	Advantage: FACTDOUBLE is used directly in a spreadsheet cell with formula-style editing and syntax guidance, which fits worksheet-based calculation tasks.	Compared with WPS: Excel offers a directly comparable spreadsheet function and documents truncation and error handling in more detail.	Compared with WPS: Google Sheets offers a directly comparable spreadsheet function with similar purpose and syntax.	Compared with WPS: Notion supports formulas, but it is not centered on a spreadsheet-style function library for cell calculations.	Compared with WPS: Adobe focuses on form-field calculations instead of spreadsheet-style formula work.
Official Source	—	Excel FACTDOUBLE function	Google Sheets FACTDOUBLE	Notion formula syntax	Adobe calculated fields

Overall Conclusion

For worksheet-based double-factorial calculations, WPS, Excel, and Google Sheets all provide a direct function workflow. Notion and Adobe support broader formula or form-calculation scenarios, but they do not provide the same spreadsheet-function experience for this task.

Use Cases

No.	Scenario	Suitable for	Main need	How FACTDOUBLE helps
1	Math practice sheets	Students and teachers	Quickly verify double-factorial results	Enter `=FACTDOUBLE(number)` in a cell to return the result directly
2	Repeated numeric calculations	Data-entry and analysis users	Apply the same calculation to many rows	Use a cell reference and fill the formula down
3	Reusable worksheet templates	Office users	Keep the same formula in a repeatable layout	Save FACTDOUBLE in a template cell and reuse it
4	Linked worksheet analysis	Spreadsheet users	Keep results updated when source values change	Use referenced cells so the result recalculates automatically

Membership & Benefits

Free vs WPS Premium

Capability	Free	WPS Premium
Writer, Spreadsheet, and Presentation core apps	✅ Available	✅ Available
Basic spreadsheet formulas such as FACTDOUBLE	✅ Available	✅ Available
Advanced PDF editing and some conversion tools	Limited	✅ More advanced access
Cloud storage	1 GB	20 GB or more depending on plan
AI tools	Limited access	✅ More features and usage allowance

Source: WPS Office pricing page

Recommendations

Scenario	Recommended plan	Why
Everyday spreadsheet formula work	Free	FACTDOUBLE and basic spreadsheet editing are available without membership
Users who also need more PDF, cloud, or AI features	WPS Premium	A better fit when formula work is only one part of a broader office workflow

WPS membership center: Subscribe to WPS Premium