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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.

Exevalator v2.4 Released — MCP Support Added, Now Usable as an AI Calculation Tool
2025-11-15 - We've released Exevalator v2.4, our expression-evaluation library. Starting with this version, it supports MCP, making it usable as a calculation tool for AI assistants.

Exevalator v2.3 Released — Now Usable from Python
2025-11-04 - We've released Exevalator v2.3. Starting with this version, you can now use it from Python! With growing demand around AI tool development in mind, we share the details here.

Exevalator Updated — Easy Japanese Localization for Error Messages
2025-10-31 - Exevalator 2.2.2 is out. You can now localize error messages to Japanese with a simple copy-and-paste, and we've included several bug fixes and minor parser adjustments.

Inside RINPn Online: Architecture Overview
2025-10-22 - An inside look at the architecture of the recently launched online version of the RINPn scientific calculator. It's open source, so you can freely modify and reuse it to build your own web calculator (maybe!).

Meet RINPn Online: Use the Scientific Calculator Anywhere, Instantly
2025-10-21 - RINPn, the free scientific calculator, now has an online version you can use instantly in your browser — on both PC and smartphones. Read the announcement for details.

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.

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.