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Documents

Here, we provide the official documentation of VCSSL, including programming guides.

Programming Guides

VCSSL  Quick Guide for C-Style Language Users

This guide is intended as a fast-track introduction for C-style language users (such as C or C++) to get started with VCSSL as quickly as possible. It assumes the reader is already familiar with at least one C-style language, so explanations of common concepts are kept to a minimum for the sake of brevity.

» Go to this guide

VCSSL Syntax Guide

A guide focusing on providing a comprehensive overview of VCSSL syntax, similar to a reference manual. This guide is intended for experienced programmers familiar with other languages who wish to understand the language specifications of VCSSL or explore specific aspects. Each section is succinctly summarized for easy reference. Therefore, this guide may not be suitable for those without programming experience (as it may be difficult to understand).

» Go to this guide

VCSSL GUI Development Guide

A guide explaining how to create and work with graphical user interfaces (GUIs) in VCSSL, such as windows, buttons, and input fields.

» Go to this guide

VCSSL 2D Graphics Programming Guide

A guide explaining how to work with two-dimensional graphics (2DCG) in VCSSL.

» Go to this guide

VCSSL 3D Graphics Programming Guide

A guide explaining how to work with three-dimensional graphics (3DCG) in VCSSL.

» Go to this guide

Others

This section provides documents for specific situations or purposes, which are slightly different from the main programming guides.

How to Plot Graphs

The VCSSL runtime environment comes bundled with "RINEARN Graph," developed by the same studio (RINEARN). It allows you to plot 2D and 3D graphs out of the box.

» How to Plot 2D Graphs
» How to Plot 3D Graphs

Vnano Tutorial Guide

A comprehensive guide to "Vnano (VCSSL nano)," the built-in scripting engine for embedding VCSSL into applications. This guide covers how to download and set it up, as well as its syntax and features.

» Go to the list of articles

VCSSL/Vnano Plugu-in Interface Specifications

The interface specification documents for developing plugins for VCSSL and Vnano.

» Go to the list page

Japanese English
Index
News From RINEARN
* VCSSL is developed by RINEARN.

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 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.

Launching an Assistant AI to Support Software Usage!
2024-09-20 - We've launched an Assistant AI that answers questions about how to use RINEARN software and helps with certain tasks. Anyone with a ChatGPT account can use it for free. We'll explain how to use it.

Software Updates: Command Expansion in RINEARN Graph, and English Support in VCSSL
2024-02-05 - We updated our apps. This updates include "Enhancing the Command-Line Features of RINEARN Graph" and "Adding English Support to VCSSL." Dives into each of them!