Showing 1–20 of 1,000 ranked alternatives.
Hirokazu Komatsu
Learn addition and subtraction with Soroban
Learn addition and subtraction using a Soroban . Move beads to perform calculations. Practice basic math operations. Track progress with interactive exercises. Sync with devices for continued learning.
Hirokazu Komatsu
Learn techniques and calculate efficiently
Learn about the and its history through interactive lessons. Practice using the Soroban with virtual beads. Track progress with exercises and quizzes. Share results and compare scores with others.
Kittipong Mungnirun
Learn , count, add, subtract
Learn basic counting and arithmetic using an . Perform single-digit addition and subtraction. Practice number recognition and counting skills. Track progress with interactive exercises and visual aids.
Hirokazu Komatsu
Use , customize size and position, adjust
Use an with customizable size, position, and color settings. Perform calculations up to 15 digits. Challenge addition, subtraction, multiplication, and division problems. Adjust bead sounds and screen orientation for horizontal use.
Impala Studios B.V.
Calculate, edit, and track equations
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Jumpei Adachi
Play abacus, create problems, practice calculations
Use the touch screen to simulate abacus operations. Create and solve arithmetic problems manually or with the abacus. Track progress and practice calculations using both methods.
Unicom TOV
Calculate, record, and recall results
Perform basic math operations including addition, subtraction, multiplication, division, and percentage. Store and retrieve calculation results. Customize number, operator, parenthesis, and result colors. Enable touch sound for feedback.
Hirokazu Komatsu
Solve math problems with lessons
Practice mental arithmetic with timed challenges featuring addition, subtraction, and division problems. Learn techniques through structured lessons. Train finger movements and mental calculation skills with interactive exercises.
Abacus Research AG
Log in securely with 2-factor authentication
Secure to ERP and portal solutions with multi-factor authentication. Log in using a 2-factor method. Receive push notifications for interactions. Confirm transactions within through the in future updates.
Unicom TOV
Calculate, add, subtract, multiply, divide
A calculator with a large, easy-to-read display and simple buttons. Perform addition, subtraction, multiplication, and division. Features a clear layout and user-friendly design for everyday use.
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