Anzan Soroban – Mental math training with customizable flash numbers and soroban support

Summary: Anzan Soroban is a mental math training app that flashes numbers on screen for fast calculation practice. Users can adjust speed, number size, and arithmetic operations, using either mental calculation or a physical abacus.

What it does

The app displays numbers sequentially at user-set speeds and sizes for addition, subtraction, multiplication, or division practice. It supports up to 16-digit numbers and offers a clean, ad-free interface without data tracking.

Who it's for

It is designed for individuals seeking to improve their mental calculation speed and accuracy through daily practice.

Why it matters

Anzan Soroban provides a simple, focused tool for enhancing mental math skills without distractions or complexity.