RINEARN Official Website

Welcome to the official website of RINEARN.
RINEARN is a personal studio based in Japan, specializing in developing software for data analysis, visualization, and computation.

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RINEARN > English Top >

Information

News

The VCSSL Support AI is Here! — Requires a ChatGPT Plus Account for Practical Performance
2025-08-19 - A new AI assistant for the VCSSL programming language is here to answer your questions and help with coding. This article explains how to use it and showcases plenty of real Q&A and generated code examples.

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Software

As part of its business activities, RINEARN undertakes contracted software development. Additionally, as part of our contribution efforts, we publicly release freeware. » More Details

RINEARN Graph 3D

An install-free, 3D graph plotting software that allows you to easily visualize data from numerical files or spreadsheet applications.

RINEARN Graph 2D

A 2D graphing software primarily designed for the fields of computation and data analysis.

RINPn

A programmable scientific calculator with a very simple user interface.

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Technology

To support software development and content creation, RINEARN engages in research and development of foundational technologies, including programming languages, compilers/interpreters, virtual machines, and rendering engines. » More Details

VCSSL

A programming language designed for lightweight computation, data analysis, and visualization using both 2D and 3D graphics.

Vnano

An open-source scripting engine designed for embedding in Java applications.

Exevalator

A multilingual expression calculator library, available for programs and apps written in Java™, Rust, C#, C++, Visual Basic®, and TypeScript.

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Assistant AI

We provide AI assistants to help you use our software and answer your questions. (Free ChatGPT account required) » More Details

RINEARN Front Desk

Provides general guidance about RINEARN.

RINEARN Graph 3D Assistant

Guides you on how to use RINEARN Graph 3D. Also assists with controlling RINEARN Graph 3D using Java. » Overview & Examples

VCSSL Assistant

Answers questions about the VCSSL programming language and helps with coding. » Overview & Examples

Exevalator Assistant

Guides you in using the expression evaluation library "Exevalator" and helps write app-side code in various programming languages.

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Contact Us

RINEARN is a Japan-based, individually-operated studio. Please feel free to use them as you like!
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Index of this category

RINEARN > English Top >

News

English Documentation for Our Software and VCSSL Is Now Nearly Complete
2025-06-30 - We're happy to announce that the large-scale expansion of our English documentation with the support of AI — a project that began two years ago — has now reached its initial target milestone.

VCSSL 3.4.52 Released: Enhanced Integration with External Programs and More
2025-05-25 - This update introduces enhancements to the external program integration features (e.g., for running C-language executables). Several other improvements and fixes are also included. Details inside.

Released: Latest Version of VCSSL with Fixes for Behavioral Changes on Java 24
2025-04-22 - VCSSL 3.4.50 released with a fix for a subtle behavioral change in absolute path resolution on network drives, introduced in Java 24. Details inside.

Released the Latest Versions of RINEARN Graph and VCSSL - Now Supporting Customizable Tick Positions and Labels!
2024-11-24 - Starting with this update, a new "MANUAL" tick mode is now supported, allowing users to freely specify the positions and labels of ticks on the graph. We'll explain the details and how to use it.

Released Exevalator 2.2: Now Compatible with TypeScript and Usable in Web Browsers
2024-10-22 - The open-source expression evaluation library, Exevalator, has been updated to version 2.2. It now supports TypeScript and can be used for evaluating expressions directly in web browsers. Explains the details.

Behind the Scenes of Building Assistant AIs (Part 2: Implementation)
2024-10-12 - This article walks you through the actual steps of building an Assistant AI using ChatGPT's &quor;GPTs&quor; feature. It also covers how to embed your own knowledge and practical tips for improving accuracy.

Behind the Scenes of Creating an Assistant AI (Part 1: Fundamental Knowledge)
2024-10-07 - The first part of a series on how to create an Assistant AI. In this article, we introduce the essential knowledge you need to grasp before building an Assistant AI. What exactly is an LLM-based AI? What is RAG? And more.

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