install

Additional install commands

macOS

Homebrewverified · 100%

brew install cahute

local Homebrew formula metadata

overview

Package summary

Library and set of utilities to interact with Casio calculators

Project links

Homepage

Commands and aliases

p7
p7os
p7screen
xfer9860

history

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 posture

Risk level: green

library-like package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

library-like package without higher-risk signals

Signals

metadata:library-like

Install behavior

No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

local files

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

Config paths the tool may read or write during local use.

Unix: ~/.casrc/etc/system.casrc

executables

Installed executables

Command	Kind	Exposure	Note
`p7`	executable	indexed executable	Discovered from the local executable index.
`p7os`	executable	indexed executable	Discovered from the local executable index.
`p7screen`	executable	indexed executable	Discovered from the local executable index.
`xfer9860`	executable	indexed executable	Discovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03

manager version0.6

manager updated2026-07-04

local dataunknown

upstreamnot available

latest detectednot detected

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:cahute
Version	0.6
Package manager	Homebrew
Homepage	https://cahute.org/
Last updated	2026-07-04T13:13:40+09:00
Pulse	updated
Bottle	not recorded
Service	none declared

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/cahute.yml

Used sources

Geiger risk classifier
cross-ecosystem install command graph
curated configuration and credential file locations
curated package history
pkg.so package database
pkgdb category and tag curation

Install cahute with Homebrew