Best Numbat Alternatives in 2026
The top Numbat alternatives are Wolfram|Alpha, GeoGebra and Desmos Scientific Calculator: 15 scientific calculator apps our editors would look at instead of Numbat, in our ranking order.
Numbat: A free, open-source calculator for precise expressions, unit conversions, and custom functions. Where it falls short: does not support complex numbers or vector and matrix operations.
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Best forPeople needing broad computational answers
Broad computational answers across math, science and more, with paid step-by-step help.
- Equation solving
- Matrix operations
- Statistics tools
9.3/10★★★★★Visit Wolfram|Alpha -
Best forLearners who want a visual, interactive toolkit
A broad, visual math toolkit for learners, with graphing, algebra practice, and classroom tools.
9.1/10★★★★★Visit GeoGebra -
Best forFree web-based scientific calculations
A focused web calculator for scientific functions, lists, variables, and complex numbers.
8.8/10★★★★☆Visit Desmos -
Best forLinux users wanting a capable free desktop calculator
A free Linux desktop calculator spanning scientific, financial and programming work.
8.4/10★★★★☆Try GNOME Calculator -
Best forLinux users needing a focused scientific calculator
A focused, free Linux calculator with scientific, statistical, and number-base tools.
- Statistics tools
8.1/10★★★★☆Visit KDE -
Best forDesktop users needing advanced math without a fee
A free desktop calculator with symbolic math, equation solving, plotting, and over 400 functions.
- Offline mode
8.0/10★★★★☆Visit Qalculate! -
Best forPeople who want a free calculator across devices
A broad, free calculator with graphing, equation solving and offline apps.
- Equation solving
- Offline mode
- Matrix operations
7.9/10★★★★☆Visit Calcrivo -
Best forApple users needing broad symbolic and numerical tools
A broad scientific toolkit for Apple users, with optional in-app purchases.
- Equation solving
- Matrix operations
- Statistics tools
7.8/10★★★★☆Visit NCalc -
Best forMobile users wanting step-by-step math support
A broad mobile math toolkit for learners who want explanations alongside calculations.
- Equation solving
- Offline mode
- Matrix operations
7.7/10★★★★☆Visit HiPER -
Best forUsers wanting an inexpensive all-in-one calculator
A broad free calculator suite, with a one-time Windows upgrade to remove advanced-mode limits.
- Equation solving
- Offline mode
- Matrix operations
7.6/10★★★★☆Visit Castiel -
Best forUsers who want an HP-42S-style programmable calculator
A free HP-42S-style simulator for programmable calculations across desktop and mobile.
- Matrix operations
- Statistics tools
- Programmable functions
7.5/10★★★★☆Visit Free42 -
Best forMobile users needing matrices and advanced operations
A free iOS and Android calculator for complex arithmetic, matrices, and numerical calculus.
- Matrix operations
- Complex numbers
7.4/10★★★★☆Visit BlakeCalc -
Best forUsers who want programmable math across platforms
A free, open-source calculator for programmable math across web, desktop, and Android.
- Equation solving
- Matrix operations
- Programmable functions
7.3/10★★★★☆Visit Kalker -
Best forUsers wanting a free calculator across web and devices
A free, cross-platform scientific calculator for expressions, units and complex arithmetic.
- Complex numbers
7.2/10★★★★☆Visit AlexCalc -
Best forDesktop users who want scripts and exact arithmetic
SciCalc pairs exact arithmetic and scientific functions with reusable scripts.
- Matrix operations
- Programmable functions
- Complex numbers
7.1/10★★★★☆Visit SciCalc
Numbat Alternatives: Common Questions
What is the best alternative to Numbat?
Wolfram|Alpha: #1 in our Scientific Calculator Apps ranking, with an editor score of 9.3 out of 10. Broad computational answers across math, science and more, with paid step-by-step help.
Is there a free alternative to Numbat?
Yes. Wolfram|Alpha, GeoGebra, Desmos Scientific Calculator, GNOME Calculator and KCalc have a free plan or a free tier (15 of the 15 alternatives on this page).
Numbat vs Each Alternative
| # | Tool | Free plan | Paid from | Platform support | Equation solving | Statistics tools | Programmable functions | Offline mode | Score |
|---|---|---|---|---|---|---|---|---|---|
| 25 | Numbat | Yes | None | Cross-platform | No | — | Yes | — | 6.1 |
| 1 | Wolfram|Alpha | Yes | — | Cross-platform | Yes | Yes | Yes | No | 9.3 |
| 2 | GeoGebra | Yes | — | — | — | — | — | — | 9.1 |
| 3 | Desmos Scientific Calculator | Yes | None | — | — | — | — | — | 8.8 |
| 4 | GNOME Calculator | Yes | None | — | — | — | — | — | 8.4 |
| 5 | KCalc | Yes | None | Desktop | — | Yes | — | — | 8.1 |
| 6 | Qalculate! | Yes | None | — | — | — | — | Yes | 8.0 |
| 7 | Calcrivo Scientific Calculator | Yes | None | Cross-platform | Yes | Yes | — | Yes | 7.9 |
| 8 | NCalc Scientific Calculator | Yes | — | — | Yes | Yes | Yes | — | 7.8 |
| 9 | HiPER Scientific Calculator | Yes | — | Mobile | Yes | Yes | Yes | Yes | 7.7 |
| 10 | Castiel | Yes | $2 one-time | Cross-platform | Yes | Yes | Yes | Yes | 7.6 |
| 11 | Free42 | Yes | None | Cross-platform | No | Yes | Yes | — | 7.5 |
| 12 | BlakeCalc | Yes | None | Mobile | — | — | — | — | 7.4 |
| 13 | Kalker | Yes | None | Cross-platform | Yes | — | Yes | — | 7.3 |
| 14 | AlexCalc | Yes | None | Cross-platform | — | — | — | — | 7.2 |
| 15 | SciCalc | Yes | None | Desktop | — | — | Yes | — | 7.1 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update