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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!).
Software
As part of its business activities, RINEARN undertakes contracted software development.
Additionally, as part of our contribution efforts, we publicly release freeware.
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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.
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.
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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.
Assistant AI
We provide AI assistants to help you use our software and answer your questions. (Free ChatGPT account required)
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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.
Contact Us
RINEARN is a Japan-based, individually-operated studio. Please feel free to use them as you like!
» 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.
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.
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.
Contact Us
RINEARN is a Japan-based, individually-operated studio. Please feel free to use them as you like!
» 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.
» More Details
