Improve your mental arithmetic skills with Klangrechnen, the innovative app for voice-controlled exercises! Whether you're preparing for the DLR Berufsgrunduntersuchung (BU) or simply looking to enhance your mathematical thinking, Klangrechnen offers an enjoyable and effective learning experience.

The app features a wide variety of mental arithmetic tasks that are read aloud by a pleasant voice. The spoken exercises make practicing mental math particularly enjoyable and allow you to fully focus on calculations.

Klangrechnen offers three different difficulty levels, allowing you to gradually improve your abilities. From simple additions and subtractions to more complex multiplications and divisions, choose the difficulty level that matches your current proficiency. And if you're specifically preparing for the DLR BU, you can rest assured that the tasks are optimally aligned with it.

Download Klangrechnen now and discover a new way of mental calculation! Optimized for the DLR BU, also known as the pilot test, this app is the perfect companion for aspiring pilots and anyone looking to strengthen their mathematical thinking. Improve your calculation skills effortlessly and master every mathematical challenge with ease.