Abacus Lesson vs Soroban

356+735+195, 23×89, 5626÷58, Can you solve each in 5 sec by mental arithmetic? The goal of this app is to learn abacus and solve these problems in mental arithmetic within 5 seconds. All lessons of the abacus lesson series, which have been highly evaluated all over the world, are recorded. The lessons have been reworked in a more polite and easy-to-understand. In addition, we have added unique training methods such as training focusing on finger movements and mental arithmetic training to improve mental arithmetic in order to learn abacus more efficiently. And various improvements have been made. - Either vertical screen or horizontal screen can be selected. - The position and size of the abacus and window can be freely laid out. - No ads. - Added sound variations. Volume control can also be finely set. - The color of the abacus can be set freely. - Earn a trophy by achieving the goal. - Smoother operability by optimizing the app. ◆Support web page 　https://hirokuma.blog/?p=4427

An Authentic Pocket Abacus. Experience the traditional art of calculation with "Soroban," a beautifully designed Japanese abacus app. We focused on creating the most realistic look and feel, bringing the warmth of wood and the satisfying rhythm of beads to your fingertips. Whether you are a master of mental math or a beginner looking to train your brain, this app provides the perfect environment. 【Key Features】 Realistic Experience: Designed with high-quality wood textures and hexagon beads that look and feel real. Authentic Sounds: Enjoy the crisp clicking sound of the beads and the unique, satisfying sound of the "Gohasan" (Reset) button. Visual Guides: The unit rod is marked with a distinct red dot for easy calculation. Simple & Focused: No distractions. Just you and the abacus. 【Perfect For】 Improving mental math skills. Daily brain training and mental exercises. Educational use for everyone. Relaxing with the rhythmic sound of ASMR-like bead clicks. Anyone who appreciates traditional Japanese culture. Rediscover the joy of analog calculation in a digital world. Download "Soroban" today and keep a piece of tradition in your pocket.