The app implements all basic operations between a pair of numbers. Besides long division you can use the app for multiplication, addition and subtraction. You can see all the details of the operations (including carries, e.t.c.) step by step.
You can choose to use a variety of algorithms for long division (US and UK method, European method, Latin America method e.t.c.) or you can let the app choose the method that is used in your country. You can also change the language.
The app is suitable for both teachers and students.