Download
Quick summary
FX991 EX Original Calculator is an Android app by MARTINs that recreates the functionality of the CASIO FX-991 EX/DEX handheld. It aims to deliver the same feature set and behavior as the physical calculator, packaged as a lightweight, user-friendly mobile application.
Core functions
- Matrix and vector operations, useful for linear algebra and engineering coursework
- Financial calculators for common money and interest computations
- Statistical tools for data analysis and descriptive statistics
- Scientific and engineering notation support for computations across disciplines
Pricing and availability
The application is free to download and use, with no in-app charges or hidden fees reported. It’s distributed for Android devices and built to mimic the original calculator’s workflow.
Usability and footprint
The interface is designed to be simple and straightforward so users familiar with the CASIO model will find it intuitive. The app is small in size and conserves device storage and resources, making it suitable for students and professionals who need reliable calculations on the go.
Conclusion
If you want a faithful, portable alternative to the CASIO FX-991 EX/DEX, this app provides nearly identical features and operation in a compact Android package. Its comprehensive function set and low resource demands make it a practical choice for educational and professional use.
Technical
- Android
- English
- German
- Free
