speedcrunch

Perform mathematical calculations and conversions

TLDR

Start SpeedCrunch

$ speedcrunch

Copy the result of the most recent calculation

$ <Ctrl r>

Open the formula book

$ <Ctrl 1>

Clear the calculator of recent calculations

$ <Ctrl n>

Wrap highlighted in parentheses (defaults to wrapping all if nothing selected)

$ <Ctrl p>

Load a speedcrunch session

$ <Ctrl l>

Save a speedcrunch session

$ <Ctrl s>

Toggle keypad

$ <Ctrl k>

PARAMETERS

-h, --help
Show a help message describing command usage and exit.

-v, --version
Show version information for SpeedCrunch and exit.

SpeedCrunch is a free, open-source, and high-precision graphical desktop calculator designed for powerful mathematical computations. It offers an intuitive, user-friendly interface combined with advanced features making it suitable for scientists, engineers, and students alike. Users can perform complex calculations with arbitrary precision, supporting a vast array of scientific functions including trigonometric, logarithmic, and hyperbolic operations. It boasts a comprehensive built-in constant library, unit conversions, variable storage, and an expression history. Its interactive nature provides syntax highlighting, auto-completion, and live results as you type, enhancing the user experience for efficient problem-solving.

CAVEATS

SpeedCrunch is primarily a graphical user interface (GUI) application. While it can be launched from the command line, it does not support evaluating expressions directly from the terminal or scripting in a non-interactive mode, unlike tools such as bc or awk. Its primary use case is as an interactive desktop calculator.

INTERACTIVE FEATURES AND PRECISION

SpeedCrunch excels in its interactive design, offering real-time results, syntax highlighting, and auto-completion as you type. This significantly enhances the user experience for complex calculations.
A key differentiator is its arbitrary-precision arithmetic, allowing for calculations with an extremely high number of decimal places, crucial for scientific and engineering tasks. It also features extensive unit conversion capabilities and a customizable constant library, further streamlining advanced computations.

HISTORY

SpeedCrunch was originally developed by Johan Lindkvist. It has been maintained by a community of developers over the years, evolving into a robust, cross-platform calculator available for Linux, Windows, and macOS. Its development has consistently focused on providing high precision, a rich feature set, and an intuitive user experience, making it a popular choice for technical and scientific users requiring more than basic calculator functionalities.