ACOS in WPS on Windows: Introduction

ACOS in WPS is an inverse cosine spreadsheet function for returning the arccosine of a value; 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 ACOS function is built into WPS Spreadsheets on Windows and is used to calculate the inverse cosine of a value in a worksheet cell. It can also work with other formulas for broader data analysis tasks.

Core capabilities include:

Entering the ACOS function directly in a cell for inverse cosine calculations.
Viewing syntax prompts while typing the function.
Referencing cells across worksheets as function inputs.
Using ACOS inside nested formulas with automatic recalculation when referenced data changes.

Typical use cases include math exercises, engineering worksheets, and teaching demonstrations.

It helps reduce manual conversion steps and keeps calculations inside the spreadsheet workflow.

A practical advantage is that the function can be entered, checked, and recalculated directly in the standard formula editing flow of a desktop spreadsheet.

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 function calculations
Other	You need access to open WPS Spreadsheets and edit worksheet cells

Download & Installation

Item	Details
Official download	WPS Office Free Download
Check after installation	Open WPS Office, launch WPS Spreadsheets, and type `=ACOS(` in the formula bar to confirm that the function prompt appears

Source: WPS download page

Compare with Alternatives

Dimension	WPS	Microsoft	Google	Notion	Adobe
Capability Summary	In WPS Spreadsheets, you can enter the `ACOS` function in a worksheet cell, view parameter prompts, use nested formulas, reference other worksheets, and get recalculated results when source data changes.	Microsoft Word supports formulas in table cells and can update formula results, but its formula workflow is designed for document tables rather than a full spreadsheet environment.	Google Sheets is an online spreadsheet product for calculations, analysis, collaboration, and formula creation, including AI-assisted formula generation.	Notion formulas work in database properties and can perform calculations with built-ins, functions, and existing properties rather than standard spreadsheet cells.	Adobe Acrobat supports calculated PDF form fields, where field values can update through configured calculations, but this is aimed at PDF forms instead of spreadsheet worksheets.
WPS Advantages	Advantage: ACOS can be entered directly in desktop spreadsheet cells with syntax prompts and worksheet references; Advantage: it fits routine trigonometric and nested spreadsheet calculations without leaving the worksheet workflow.	Compared with WPS: formula support is available, but it is centered on Word table cells and document layouts instead of spreadsheet-style cell analysis.	Compared with WPS: cloud collaboration and AI-assisted formula creation are stronger focuses, while WPS keeps the workflow centered on desktop spreadsheet editing.	Compared with WPS: formulas are tied to database properties and logic fields rather than direct worksheet cell formulas.	Compared with WPS: calculation features are focused on PDF form fields, not general spreadsheet cell editing and analysis.
Official Source	—	Word table formulas	Google Sheets product page	Notion formulas	Acrobat form field calculations

Overall Conclusion: If you need to enter ACOS directly in a Windows desktop spreadsheet and keep the calculation inside a familiar worksheet workflow, WPS provides a focused path for that task. The other products also support calculations, but they are oriented more toward document tables, cloud collaboration databases, or PDF form scenarios.

Use Cases

No.	Scenario	Suitable for	Main need	How ACOS helps
1	Inverse cosine calculations	Students and teachers	A quick way to return arccosine results	Enter `ACOS` in a worksheet cell and calculate immediately
2	Engineering parameter conversion	Engineers and technical staff	Repeated angle-related calculations in tables	Apply ACOS with cell references across multiple rows
3	Multi-sheet analysis	Data coordinators	Input values stored on different worksheets	Use worksheet references as ACOS inputs
4	Compound formula building	Advanced spreadsheet users	A single function is not enough for the model	Nest ACOS with other formulas
5	Dynamic result updates	Everyday office users	Results need to refresh after source values change	Use automatic recalculation after editing referenced data

Membership & Benefits

Free vs WPS Premium

Capability	Free	WPS Premium
ACOS function entry and calculation	✅	✅
Basic spreadsheet functions	✅	✅
Advanced PDF tools and additional office benefits	Limited or provided as listed on the pricing page	More advanced features are included
Cloud storage	1 GB	20 GB, or as listed for the selected plan

Source: WPS Office pricing page

Recommendations

Scenario	Recommended plan	Why
Learning formulas and handling routine calculations	Free	The ACOS function itself is available for standard spreadsheet work
Needing more cloud storage or broader office benefits	WPS Premium	Suitable when you also need additional tools and membership benefits

WPS membership center: Subscribe now