Utilities · iPhone and iPad
Scientific Calculator FX-991CW
A capable scientific calculator for students, engineers, and technical work.
See everything it can do
Independent app studio
Precision, built into every tap.
Matinformatics creates focused tools for calculation, learning, and everyday problem-solving—designed to feel immediate, dependable, and quietly powerful.
- 0
- Ads or trackers
- 100%
- Focused utility
- Offline
- Core workflows
Local
calculation history
01
Our applications
Matinformatics applications
Utilities · iPhone and iPad · Coming soon
Scientific Calculator 991EX
A natural-display scientific calculator with twelve focused workspaces.
See everything it can do
Lifestyle · iPhone · Coming soon
LifeStyle: Daily Rhythm
A calm daily organizer for movement, rest, reading, hydration, focus, and personal care.
See everything it can do02
One instrument
From a quick answer to the full problem.
Switch between purpose-built modes without losing the clarity of a familiar scientific calculator.
Natural input
Enter structured mathematical expressions and read clear, familiar results.
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.
03
Built for the work
Complex tools. Calm interface.
04
How we build
Useful should feel effortless.
Readable interfaces that keep the task—not the software—in focus.
No advertising, tracking, accounts, or collection of your app data.
Serious capability that stays approachable from the first tap.
A growing catalog
Focused tools, built one careful detail at a time.
The Matinformatics catalog is designed to evolve. Every release will have its own product, support, and privacy page here.
Talk to support