Roman Numerals is an Android application developed by Miquel Abadal that converts decimal numbers to Roman numerals and vice versa. The app is a useful tool for students, teachers, and anyone interested in learning about Roman numerals.

The app is simple and efficient to use. To convert a decimal number to a Roman numeral, you only need to enter the decimal number in the corresponding cell, and the app will automatically convert it to a Roman numeral. Similarly, to convert a Roman numeral to a decimal number, you can select the appropriate cell and use the keyboard with Roman symbols to enter the number.

One of the key features of the app is its optimized conversion algorithm, which ensures accurate conversions and detects any misstated numbers. The app also provides a brief overview of the decimal and Roman numbering systems and their respective rules for representing numbers.

Overall, Roman Numerals is a straightforward and versatile app that fulfills its purpose with ease and accuracy. It is a great tool for anyone who needs to work with Roman numerals, and it is available for free on the Google Play Store.