# Install cahute with Homebrew Library and set of utilities to interact with Casio calculators. Version 0.6 via Homebrew; verified 2026-07-04. ## Install ```sh sudo av install brew:cahute ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install cahute ``` Evidence: local Homebrew formula metadata ## Package facts - **Package key:** brew:cahute - **Package manager:** Homebrew - **Package manager page:** - **Version:** 0.6 - **Source summary:** Library and set of utilities to interact with Casio calculators - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** CECILL-2.1 - **Source archive:** - **Last updated:** 2026-07-04T13:13:40+09:00 - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - p7 (cli) - p7os (cli) - p7screen (cli) - xfer9860 (cli) - p7 (alias) - p7os (alias) - p7screen (alias) - xfer9860 (alias) ## Dependencies - libusb - sdl2-compat ## Build dependencies - cmake - pkgconf - python@3.14 ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 0.6 - Package-manager updated: 2026-07-04 - Local data: ok - Upstream repository: https://cahute.org/ - info: Release/tag comparison is only available for GitHub repositories. ## Project history and usage Cahute is a library and command-line toolkit for CASIO calculator communication protocols and file formats, covering serial and USB devices from the 1990s through modern models. ### Project history The official README describes Cahute as communication and file-format handling tools for CASIO calculators and states that the GitLab project is the main repository for issues, release notes, merge requests, and collaboration. The public GitLab project was created in 2024 and the first visible tags run from 0.1 through 0.6 during that year. Cahute's documentation is unusually broad for a niche hardware tool: it includes installation and build guides, command references for CaS, p7, p7os, p7screen, and xfer9860, file-format notes, USB detection, and protocol documentation for several generations of CASIO calculator protocols. ### Adoption history Adoption is mostly in the calculator hacking, education-device, and retro-computing niche. The Homebrew package makes the tools available to macOS users who need calculator file transfer and protocol tools without building from source. ### How it is used Users invoke the included CLIs to convert or inspect calculator files, communicate with calculators, transfer data, work with operating-system images or screen streaming, and configure CaS through casrc. On POSIX systems the documented casrc locations are ~/.casrc and a system file such as /etc/system.casrc. ### Why package nerds care Cahute is package-nerd interesting because it packages a hardware-protocol archaeology project: a modern C library and tools that encode knowledge about calculator file formats and serial/USB protocols that would otherwise live in scattered hobbyist utilities. ### Timeline - 2024: GitLab project created for Cahute. - 2024: 0.1 tag published in March. - 2024: 0.6 tag published in December. - Present: Homebrew distributes Cahute as a CLI package. ### Related projects - The documented tools include CaS, p7, p7os, p7screen, and xfer9860. - The documentation covers CASIOLINK, Protocol 7.00, USB Mass Storage, and other CASIO calculator protocols and file formats. ### Sources - - - - - - - ## Security Notes library-like package without higher-risk signals. - **Geiger risk:** green / low - library-like package without higher-risk signals ## Configuration and credential file locations These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval. ## Configuration files - Unix: ~/.casrc, /etc/system.casrc ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** cahute - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Related links - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider. - [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/) - Matched curated package taxonomy and local package facts. - [sdl2-compat](https://www.automicvault.com/pkg/brew/sdl2-compat/) - Runtime dependency declared by Homebrew. - [cmake](https://www.automicvault.com/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew. - [python@3.14](https://www.automicvault.com/pkg/brew/python-3-14/) - Build dependency declared by Homebrew. - [augeas](https://www.automicvault.com/pkg/brew/augeas/) - Shares av.db curated category or tags: cli, library, system. - [chmlib](https://www.automicvault.com/pkg/brew/chmlib/) - Shares av.db curated category or tags: cli, library, system. - [cpu_features](https://www.automicvault.com/pkg/brew/cpu-features/) - Shares av.db curated category or tags: cli, library, system. - [cpuid](https://www.automicvault.com/pkg/brew/cpuid/) - Shares av.db curated category or tags: cli, library, system. - [dbus-glib](https://www.automicvault.com/pkg/brew/dbus-glib/) - Shares av.db curated category or tags: cli, library, system. - [hivex](https://www.automicvault.com/pkg/brew/hivex/) - Shares av.db curated category or tags: cli, library, system. - [hwloc](https://www.automicvault.com/pkg/brew/hwloc/) - Shares av.db curated category or tags: cli, library, system. - [isa-l](https://www.automicvault.com/pkg/brew/isa-l/) - Shares av.db curated category or tags: cli, library, system. - [qemu](https://www.automicvault.com/pkg/brew/qemu/) - Local package facts share a topical domain. Shared terms: cli, libusb, system. - [sane-backends](https://www.automicvault.com/pkg/brew/sane-backends/) - Local package facts share a topical domain. Shared terms: cli, libusb, system. - [cksfv](https://www.automicvault.com/pkg/brew/cksfv/) - Local package facts share a topical domain. Shared terms: cli, file, system. ## Combined YAML source View the package source record on GitHub. [combined/cahute.yml](https://github.com/automic-vault/db/blob/main/combined/cahute.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated configuration and credential file locations - curated package history - package version freshness - av.db category and tag curation - package relationship graph - cross-ecosystem install command graph