Calcish is a versatile web application that merges calculator functionalities with advanced JavaScript scripting capabilities. It is designed for macOS users, offering a notebook-like interface that simplifies complex calculations and script executions. The tool utilizes QuickJS, providing enhancements such as accurate large number calculations, fractional computations, and vector/matrix operations, making it suitable for both casual users and programming beginners. With thorough documentation, users can easily navigate its features and functionalities.

In addition to its calculator and scripting capabilities, Calcish includes built-in large language models that allow for seamless interaction with AI, including OpenAI's GPT-4 and GPT-3.5, as well as Cohere and TextSynth. The scratchpad feature enables users to perform quick scripting and calculations over other applications, with the ability to save work as a codebook for future use. This combination of tools makes Calcish a robust solution for anyone looking to enhance their coding and calculation experience.