# Install kalker with Homebrew, apk, MacPorts, Nix, scoop, winget Full-featured calculator with math syntax. Version 2.2.2 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:kalker ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install kalker ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install kalker ``` Evidence: MacPorts ports tree: math/kalker/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - apk (92%): ```sh sudo apk add kalker ``` Evidence: Alpine Linux edge package indexes: kalker from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - Nix (92%): ```sh nix profile install nixpkgs#kalker ``` Evidence: nixpkgs package indexes: pkgs/by-name/ka/kalker/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 ### Windows - Scoop (92%): ```sh scoop install main/kalker ``` Evidence: Scoop official bucket manifest trees: bucket/kalker.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 - winget (92%): ```sh winget install --id PaddiM8.kalker -e ``` Evidence: Windows Package Manager source index: PaddiM8.kalker from https://cdn.winget.microsoft.com/cache/source.msix ## Package facts - **Package key:** brew:kalker - **Package manager:** Homebrew - **Package manager page:** - **Version:** 2.2.2 - **Source summary:** Full-featured calculator with math syntax - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** MIT - **Source archive:** - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - kalker (cli) - kalker (alias) ## Build dependencies - rust ## 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: 2.2.2 - Local data: ok - Upstream repository: https://github.com/PaddiM8/kalker - Upstream latest detected: v2.2.2 (current) - info: No package-manager update timestamp was available. ## Project history and usage Kalker is a Rust-based scientific calculator packaged as a command-line tool and also presented as a website, Android app, WebAssembly-backed browser calculator, Rust library, JavaScript binding, and web component. In package-manager terms it belongs to the small but loved class of terminal calculators that try to feel like math notation rather than a four-function shell utility. ### Project history The GitHub repository was created on 2020-06-04, and GitHub releases show public 0.1.x builds beginning on 2020-06-12. The README describes Kalker as supporting variables, user-defined functions, complex numbers, differentiation, integration, vectors, matrices, number bases, syntax highlighting, and loading predefined function files. The project split its reusable engine from its front ends: the README identifies the Rust crate `kalk` as the library that powers the tool, plus `@paddim8/kalk` JavaScript bindings and `@paddim8/kalk-component` for browser use. That made Kalker more than a single binary while keeping the Homebrew package focused on the `kalker` executable. ### Adoption history Kalker followed the Rust CLI adoption path: Cargo installation from upstream, release binaries for major desktop platforms, then distribution through package managers including Homebrew, MacPorts, AUR, Nix/NixOS, NetBSD pkgsrc, Scoop, and winget as recorded by its README and batch package metadata. By 2026-07-01, the repository metadata showed roughly low-thousands GitHub stars, enough to mark it as a recognized niche calculator rather than infrastructure software. ### How it is used Typical use is interactive or one-shot calculation with math-like syntax: defining variables and functions, evaluating symbolic-looking expressions, using constants and built-in functions, and loading a personal file of predefined formulas. Its appeal is strongest for people who want a terminal-native calculator without switching mental models to a spreadsheet or CAS notebook. The documented file-loading behavior and default startup file make it useful for recurring domain formulas, such as physics constants or repeated engineering calculations, while staying lightweight enough for shell workflows. ### Why package nerds care Kalker is interesting to package nerds because it is a multi-surface Rust project whose CLI, library, npm binding, and browser demo all orbit one calculation engine. It also shows the modern pattern of a small desktop utility being available through Cargo, OS package managers, JavaScript packaging, and WebAssembly at the same time. ### Timeline - 2020: GitHub repository created and 0.1.x releases published. - 2024: v2.2.0 released, showing the project had moved well beyond its initial Rust CLI shape. - 2025: v2.2.2 released on GitHub. ### Related projects - `kalk` is the Rust crate behind Kalker, and `@paddim8/kalk` exposes the engine to JavaScript and WebAssembly use. - Kalker sits near terminal calculators such as bc, qalc, and eva, but emphasizes human-readable math syntax and multi-platform app surfaces. ### Sources - - - - - - ## Security Notes narrow executable package without higher-risk signals. - **Geiger risk:** green / low - narrow executable 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 - Linux: $XDG_CONFIG_HOME/kalker/default.kalker, ~/.config/kalker/default.kalker - macOS: ~/Library/Application Support/kalker/default.kalker - Windows: %APPDATA%\kalker\default.kalker ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** kalker - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Other Package-Manager Records - Nix - kalker: normalized package name match | nixpkgs package indexes: pkgs/by-name/ka/kalker/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - apk - kalker - 2.2.2-r0: normalized package name match | Alpine Linux edge package indexes: kalker from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Calculator that supports user-defined variables, functions, differentiation, and integration | https://kalker.xyz - MacPorts - kalker: normalized package name match | MacPorts ports tree: math/kalker/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 - Scoop - main/kalker: normalized package name match | Scoop official bucket manifest trees: bucket/kalker.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 - winget - PaddiM8.kalker: normalized package name match | Windows Package Manager source index: PaddiM8.kalker from https://cdn.winget.microsoft.com/cache/source.msix ## 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. - [Scientific computing packages](https://www.automicvault.com/pkg/scientific-computing-tools/) - Matched scientific computing metadata. - [Productivity CLI packages](https://www.automicvault.com/pkg/productivity-cli-packages/) - Matched curated productivity category metadata from av.db. - [rust](https://www.automicvault.com/pkg/brew/rust/) - Build dependency declared by Homebrew. - [w-calc](https://www.automicvault.com/pkg/brew/w-calc/) - Shares av.db curated category or tags: calculator, cli, math, productivity, scientific-calculator. - [clac](https://www.automicvault.com/pkg/brew/clac/) - Shares av.db curated category or tags: calculator, cli, productivity. - [fend](https://www.automicvault.com/pkg/brew/fend/) - Shares av.db curated category or tags: calculator, cli, productivity. - [squiid](https://www.automicvault.com/pkg/brew/squiid/) - Shares av.db curated category or tags: calculator, cli, productivity. - [qalculate-gtk](https://www.automicvault.com/pkg/brew/qalculate-gtk/) - Shares av.db curated category or tags: calculator, cli, math, productivity. - [qalculate-qt](https://www.automicvault.com/pkg/brew/qalculate-qt/) - Shares av.db curated category or tags: calculator, cli, math, productivity. - [a2ps](https://www.automicvault.com/pkg/brew/a2ps/) - Shares av.db curated category or tags: cli, productivity. - [abook](https://www.automicvault.com/pkg/brew/abook/) - Shares av.db curated category or tags: cli, productivity. ## Combined YAML source View the package source record on GitHub. [combined/kalker.yml](https://github.com/automic-vault/db/blob/main/combined/kalker.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 - external package-manager database matches - cross-ecosystem install command graph