Magic Number
Magic Number is a Mac calculator app that helps you do everyday math and scientific calculations with a more natural typing experience.
What is Magic Number?
Magic Number is a native calculator app for Mac designed to make everyday math and scientific calculation faster and easier to read. It lets users enter expressions in a more natural way than a traditional one-line calculator, which is useful for quick work, school problems, budgeting, conversions, and technical calculations. The app also keeps calculation history available for reuse, so you can revisit earlier results without rebuilding them from scratch. For people who want more than basic arithmetic, it includes scientific functions, constants, multiple number bases, and flexible number formatting. Magic Number also supports keyboard-focused workflows and can run in a compact menu bar mode, which fits well into daily Mac use. It is developed by Seed and is aimed at users who want a more capable desktop calculator without moving to a spreadsheet or a larger math tool.
Key features
- Type calculations in a natural, readable form
- Use scientific functions and built-in constants
- Switch between decimal, binary, octal, and hexadecimal values
- Reuse calculation history for repeated work
- Format results with fractions, scientific notation, or fixed decimals
- Store values in memory slots for later use
- Export calculations to PDF
- Open the calculator from the menu bar for quick access
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Safety overview
Status: Safe
Magic Number is a standard desktop calculator app for macOS. Its normal behavior is limited to calculations, saved app settings, and any history or exports you choose to keep, such as PDF output. If you store sensitive numbers in its history or exported files, treat those records with the same care you would give any other local document on your Mac.
Recommendation: Keep Magic Number if you use it for daily calculations or prefer a more capable Mac calculator. If you no longer use it, you can remove it like other apps, though doing so may also remove its saved history, preferences, and exported workflow conveniences.
Common paths
/Applications/Magic Number.app
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