Introduction

Last updated:July 8, 2026

BESSELK in WPS is a built-in spreadsheet function that returns the modified Bessel function Kn(x); this guide covers 3 core tasks, with 3 available without membership and 0 membership-related items.

At a Glance

MetricValueNotes
Core tasks3Matches the number of rows in the How-to Index
Available without membership3Matches the number of Free rows in the index
Membership-related items0Matches the number of membership-related rows in the index

About This Feature

Overview

BESSELK is an engineering function in WPS Spreadsheets that returns the modified Bessel function Kn(x). It can be used in engineering calculations, mathematical modeling, and data analysis workflows.

Core tasks include:

  • Insert BESSELK through the Insert Function dialog box.
  • Type =BESSELK(...) directly in a cell or in the formula bar.
  • Review function syntax and parameter details before finalizing a formula.

System Requirements

ItemRequirement
Operating systemA Windows device that can run WPS Office normally
App versionIt is recommended to use the latest version of WPS Office for a complete function library and help content
NetworkNo mandatory internet connection is required for local formula entry and calculation; internet access is needed for downloads or online help
OtherWPS Spreadsheets should be installed, and you should have permission to edit the worksheet

Download & Installation

ItemDetails
Official downloadWPS Office Free Download
Post-installation checkOpen WPS Spreadsheets, go to the Formulas tab, and confirm that Insert Function or direct formula entry is available

Source: WPS Download Center

Compare with Alternatives

DimensionWPSMicrosoftGoogleNotionAdobe
Capability SummaryIncludes the BESSELK function in WPS Spreadsheets and supports both dialog-based insertion and direct formula entry, with syntax guidance available in the function workflow.Excel lists BESSELK in its function categories and provides built-in spreadsheet functions for direct use in worksheets.Google Sheets supports formulas and functions, with formula entry guidance and a function reference for spreadsheet work.Notion supports database formulas for property calculations and logic, but it does not provide the BESSELK engineering function used in spreadsheets.Adobe Acrobat Sign supports calculated fields, operators, and functions for form calculations, but it does not provide spreadsheet engineering functions such as BESSELK.
Official SourceExcel functions by categoryAdd formulas & functionsIntro to formulasAdd calculated fields to a form

Advantage: BESSELK is available directly in the worksheet formula workflow, which fits common spreadsheet calculation habits.

Overall Conclusion
WPS, Microsoft Excel, and Google Sheets all support worksheet-based formula entry, while WPS and Excel are a closer fit for engineering-function workflows. Notion and Adobe focus more on database logic or form-field calculations than spreadsheet engineering functions. For users who want to enter and reuse BESSELK directly in a worksheet, WPS follows a familiar spreadsheet formula workflow.

Use Cases

No.ScenarioSuitable ForMain ChallengeHow WPS Helps
1Entering engineering functionsSpreadsheet users working on engineering calculationsManual function entry can lead to typing mistakesSearch for BESSELK in Insert Function and insert it from the dialog
2Reusing formulas across rowsUsers who need the same formula in multiple rowsOpening the dialog repeatedly can slow down workType =BESSELK(...) directly and fill the formula down
3Checking syntax before useUsers using the function for the first timeThe parameter structure may be unclearReview syntax and parameter details before confirming the formula

Membership & Benefits

Free vs WPS Premium

CapabilityFree UsersWPS Premium
Use basic spreadsheet functions in WPSAvailableAvailable
Enter and calculate with BESSELKAvailableAvailable
Additional service benefitsDepends on the selected planMay include more cloud storage, PDF features, and collaboration-related benefits depending on the plan

Source: WPS Office pricing page

Recommendations

Usage ScenarioRecommended PlanWhy
Everyday formula entry and basic calculationsFreeBESSELK itself is available for regular spreadsheet calculations
Extra office features beyond formula workWPS PremiumSuitable if you also need additional cloud, PDF, or collaboration-related benefits

How to Subscribe

  • Visit the WPS subscription page to review plans and subscribe: Get WPS Premium

Source: WPS Office pricing page