Columny

Practice written calculations step by step. Clear column math for school and home learning.

Columny is an educational app designed to help children and students practice written calculations in a clear and structured way.

The app focuses on column-based arithmetic and allows users to train: • addition • subtraction • multiplication • long division

Columny guides users step by step, just like solving problems in a notebook. Each entered digit is checked immediately, helping students understand mistakes and learn correct procedures.

Key features: • Unlimited automatically generated problems • Step-by-step support for multiplication and long division • Instant feedback for every entered number • Custom problem input • Works fully offline • Designed for both iPhone and iPad • Clean interface focused on learning

Columny is ideal for school practice, homework, and independent learning.