Natural input
Enter structured mathematical expressions and read clear, familiar results.
Utilities · Version 2.0.1
Scientific Calculator FX-991CW
Move from everyday calculations to complex numbers, statistics, distributions, spreadsheets, tables, equations, inequalities, base conversions, matrices, vectors, ratios, and math practice without changing tools.
iPhone and iPad · iOS 17.0 or later
01
Capabilities
The depth you need, kept within reach.
Advanced modes
Work with matrices, vectors, equations, statistics, distributions, tables, and Base-N calculations.
Local history
Replay and edit recent calculations directly on your device, even while offline.
Private by design
No ads, tracking, accounts, analytics SDKs, or collection of your calculations.
02
Inside the app
A mode for every kind of problem.
Scientific Calculator FX-991CW is independently developed and is not affiliated with or endorsed by any calculator manufacturer.