Viivi's Cell

This is the English webpage for the Scheme programming language interpreter Viivi.
Information on Viivi is summarized here.

日本語のページは こちら です． (Japanese page is here.)

Visit Viivi's webpage in Japanese for the full contents,
and I hope you can read the Japanese contents
through one of the surprisingly advanced latest machine translators,
such as Google and DeepL.

Outline

Viivi is a user-friendly R5RS-Compliant Scheme Programming Language Interpreter for JVMs.
With its unique VITSE (Viivi Interactive Tracing System for Evaluation) feature,
Viivi interactively visualizes its internal evaluation process.
Viivi is ideal for learning and debugging Scheme programs.
Viivi runs on Java/JRE 17 or higher.

News

• Viivi is now and will be built using Oracle Java 17.
  Please prepare an execution environment for Java 17 or higher.
  Thank you for your understanding.


• Viivi Version 00.38.00 (alpha) was released! (2025/07/31)
  


• Viivi Version 00.38.00 (alpha) Release Note


• Viivi Tutorial videos are available on YouTube!
  
  
  

Download

• Download

Official Items

• Outlines
• What is Viivi?
• About the Copyright Description
• Running Environments
• Requirements
• Confirmed Platforms
• Unique Features
• I/O Targets
• UI (User-Interface) Modes
• Viivi IDE
• VITSE
• Other Extensions
• Usage
• System Files
• Installation
• Customization
• Argument-Commands
• Predefined-Procedures
• Setting-Panels (Recommended: Most Intuitive)
• Tips
• Update
• Deinstallation
• Tutorials
• Simple Tutorial and Brief References
• Viivi Tutorial on YouTube
  
• Problems
• FAQ
• Known Problems
• Tell me, Schemer！
• Reporting Bugs and Problems
• History
• Logs of News and Releases
• Lists
• Argument-Commands
• Predefined Scheme Objects
• Setting Panels

Personal Perspectives

• Viivi Blog (in Japanese)

Test Codes (On the Preview Site Only)

• Test Codes

External Links

• External Links

Contact

• Contact

about the Author

• ilma's Cell