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ReactOS vs Windows Calculator

Professional comparison and analysis to help you choose the right software solution for your needs.

ReactOS icon
ReactOS
Windows Calculator icon
Windows Calculator

ReactOS vs Windows Calculator: The Verdict

⚡ Summary:

ReactOS: ReactOS is an open-source operating system that aims to be binary-compatible with Windows applications and drivers. It provides a Windows-like desktop environment and functionality for users looking for a free and open alternative to commercial Windows operating systems.

Windows Calculator: Windows Calculator is a simple calculator app included in Windows operating systems. It provides basic arithmetic functions like addition, subtraction, multiplication, division, as well as scientific functions like sine, cosine, logarithms, etc.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ReactOS Windows Calculator
Sugggest Score — —
Category Os & Utilities Os & Utilities
Pricing Open Source Free

Product Overview

ReactOS
ReactOS

Description: ReactOS is an open-source operating system that aims to be binary-compatible with Windows applications and drivers. It provides a Windows-like desktop environment and functionality for users looking for a free and open alternative to commercial Windows operating systems.

Type: software

Pricing: Open Source

Windows Calculator
Windows Calculator

Description: Windows Calculator is a simple calculator app included in Windows operating systems. It provides basic arithmetic functions like addition, subtraction, multiplication, division, as well as scientific functions like sine, cosine, logarithms, etc.

Type: software

Pricing: Free

Key Features Comparison

ReactOS
ReactOS Features
  • Windows NT architecture
  • Supports Windows drivers and applications
  • File systems support (FAT, NTFS, EXT2/3)
  • Networking stack
  • Partial Win32 API support
Windows Calculator
Windows Calculator Features
  • Basic arithmetic operations (addition, subtraction, multiplication, division)
  • Scientific functions (trigonometric, logarithmic, etc)
  • Programmer functions (bitwise operations, hex conversion, etc)
  • Date calculation
  • Currency conversion
  • Unit conversion
  • Mortgage calculator
  • Tax calculator

Pros & Cons Analysis

ReactOS
ReactOS

Pros

  • Free and open source
  • Provides a Windows-like experience
  • Runs many Windows apps natively
  • Active development community

Cons

  • Limited hardware support
  • Not all Windows APIs implemented
  • Stability and compatibility issues
  • Lacks many modern features
Windows Calculator
Windows Calculator

Pros

  • Free and included with Windows OS
  • Simple and easy to use interface
  • Supports standard and scientific calculations
  • Programmer mode for advanced math functions
  • Minimal resource usage

Cons

  • Limited features compared to advanced calculators
  • No customization options
  • Only available on Windows devices
  • Lacks advanced graphing capabilities
  • Cannot save calculation history

Pricing Comparison

ReactOS
ReactOS
  • Open Source
Windows Calculator
Windows Calculator
  • Free

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Learn More About Each Product

ReactOS
ReactOS
Reviews, pricing & alternatives →
Windows Calculator
Windows Calculator
Reviews, pricing & alternatives →

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