fend ☆
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Description:
Arbitrary-precision unit-aware calculator
Type: Formula  |  Latest Version: 1.5.7@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: calculator cli math unit-conversion rust
Install: brew install fend
About:
fend is a general-purpose arbitrary-precision calculator that understands unit conversions and mathematical constants. It provides a seamless, interactive command-line interface for performing calculations with physical units, such as converting between metric and imperial systems. Its core value proposition is delivering a powerful, scriptable, and dependency-light alternative to traditional desktop calculator applications.
Key Features:
  • Arbitrary-precision arithmetic for high accuracy
  • First-class unit and currency support with automatic conversions
  • Interactive shell with variables, functions, and history
  • Statically linked for easy installation and portability
Use Cases:
  • Performing engineering calculations with automatic unit conversions
  • Quickly scripting math problems in the terminal without a heavy environment
  • Serving as a daily driver for financial or scientific computations
Alternatives:
  • bc – fend offers built-in unit support and a more modern syntax, whereas bc requires manual handling of units.
  • WolframAlpha – fend is offline, private, and faster for simple queries, while WolframAlpha is a web-based knowledge engine.
License: MIT
Dependencies: openssl@3
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 13, 2025 7:56pm 0 VERSION_BUMP 13e480db
Sep 13, 2024 4:31am 0 VERSION_BUMP d39bf405
May 5, 2024 12:37am 0 VERSION_BUMP 09106eb5
May 4, 2024 7:11am 0 VERSION_BUMP c9e860b7
Jan 7, 2024 9:33am 0 VERSION_BUMP 027c6244
Dec 8, 2023 9:37am 0 VERSION_BUMP 11270f9c
Oct 26, 2023 7:56am 0 VERSION_BUMP 82e5eee9
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