Numbat performs high-precision scientific calculations and supports physical units.
SpeedCrunch
SpeedCrunch performs high-precision scientific calculations through a keyboard-driven interface.
About SpeedCrunch
SpeedCrunch is a high-precision scientific calculator with a keyboard-driven interface. It shows results as the user types, and a partial expression can be selected and evaluated on its own. Previous inputs and results appear in a scrollable history that can be recalled.
The calculator includes over 80 built-in mathematical functions, and users can define their own. Calculations can run with up to 50 digits of precision and support complex numbers, numeral bases, and unit conversions. A built-in formula book and over 150 scientific constants are available. The software is listed for Windows, macOS, and Linux and is available in a number of languages.
Key features
- Shows results as you type; select part of an expression to evaluate it
- Scrollable history of previous inputs and results that can be recalled
- Over 80 built-in mathematical functions, plus user-defined functions
- Variables for storing results and calculations up to 50 digits of precision
- Built-in formula book and over 150 scientific constants
- Customizable syntax highlighting and an optional on-screen keypad
Best for: Users who need precise scientific calculations and prefer a keyboard-driven calculator on Windows, macOS, or Linux.
Good for
- Keyboard-driven interface with results displayed as you type
- Customizable syntax highlighting helps users spot input mistakes
- Available in a number of languages
SpeedCrunch at a glance
- Category
- Research & Data › Research & Study Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, macOS, Web, Windows
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
SpeedCrunch alternatives
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SpeedCrunch FAQ
Can SpeedCrunch be used without a keyboard?
An optional on-screen keypad is available for users who prefer it.
How much precision can calculations use?
Calculations can be performed with up to 50 digits of precision.
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