Best Scientific Calculator Apps in 2026
Avidemux leads this chart of 32 (7.3/10, free plan). GeoGebra is next (7.3/10, free plan), and Castiel is the next highest-placed with a free plan (6.8/10). Scientific calculator apps help with advanced maths beyond basic arithmetic, including equations, statistics, programmable functions, complex numbers and matrices. Compare the features you need, offline mode, pricing and platform support before choosing. Check whether an Android app is available; listed platforms can include Linux, Windows, macOS, Android, iOS and the web.
GeoGebra is a dynamic mathematics platform combining geometry, algebra, spreadsheets, graphing, statistics, and calculus.
- 4
AlexCalc
Free planAndroidiOSWebmacOS6.6Free plan - 5
Calcrivo Scientific Calculator
Free planAndroidiOSWebLinux6.6Free plan - 6
CalcTastic
Free planAndroid6.0Free plan - 7
Desmos Scientific Calculator
Free planWeb6.0Free plan - 8
Alcula Scientific Calculator
Free planWeb5.9Free plan - 9
Ans Scientific Calculator
iOSmacOS5.9£4.99 one-time - 10
NCalc Scientific Calculator
Free planiOSmacOS5.6Free plan - 11
BlakeCalc
AndroidiOS5.4 - 12
Wolfram|Alpha
AndroidiOSWebmacOS5.4 - 13
Free42
AndroidiOSLinuxmacOS5.3 - 14
Kalker
AndroidWebLinuxmacOS5.3 - 155.1
- 16
Numbat
WebLinuxmacOSWindows5.0 - 17
HiPER Scientific Calculator
AndroidiOS4.9 - 18
Panecal Scientific Calculator
AndroidiOS4.9 - 194.9
- 20
Halcyon Calc
iOSmacOS4.8 - 21
Numi
LinuxmacOSWindows4.8 - 22
PCalc
iOSmacOS4.8 - 23
Qalculate!
LinuxmacOSWindows4.8 - 24
Microsoft Calculator
Windows4.6 - 254.6
Choosing well
Check Android access
If you plan to calculate on a Xiaomi, Redmi or POCO phone or tablet, confirm that the calculator has an Android app. Platform support in this category can also include Linux, Windows, macOS, iOS and the web.
A web calculator may suit a browser, while a desktop build may fit a computer.
Match the maths tools
Compare equation solving, statistics tools, programmable functions, complex numbers and matrix operations against the work you need to do.
Read the individual feature fields rather than choosing from the app name alone.
Decide on offline mode
Check the offline-mode detail if you need calculations without a connection. A listed platform does not by itself confirm offline operation.
Review cost and code
A free plan is available from items in this category, while paid pricing can be shown as a starting price. Compare the free-plan terms with any paid-from figure.
Open-source code is offered by items in the category. If you need to read or change the code, check the licence for the tool you choose.
Questions people ask
Are scientific calculator apps available for Android?
Android is one of the platforms represented in this category. Check the individual listing to confirm Android support before installing.
Can I use a scientific calculator offline?
Offline mode is one of the comparison fields. Check the chosen app's listing for its offline support.
Do these calculators have free plans?
A free plan is offered by items in this category. Pricing can also include a paid-from amount, so compare the listing details.
Are any of these calculators open source?
Open-source code is offered by items in this category. Check the chosen project's licence if code access matters.
Which advanced maths features should I compare?
Compare equation solving, statistics tools, programmable functions, complex numbers and matrix operations based on the calculations you need.