Information

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.