An abacus is a mechanical device designed to make arithmetic calculations easier. It represents the evolution of our hands as tools used for counting. It usually consists of a set of ordered beads that …

Our Online Abacus is a virtual version of the classic counting tool that has been used for centuries to perform calculations. With our Abacus, you can perform simple arithmetic operations like addition, …

Interactive abacus calculator that renders a soroban or suanpan on an HTML5 canvas. Drag beads, switch bases, export images, and learn the history and math of abaci.

Free online abacus calculator for learning and practicing mental math. Interactive virtual abacus with realistic bead movements and calculations.

Aug 6, 2025 · The abacus (the suanpan is the most useful variety) is a deceptively simple calculating tool still used all over the world. It's a useful learning device for the visually impaired, as well as for …

Use the Virtual Abacus online to practice mental math. Click or tap beads, adjust rods, and improve calculation speed with this interactive tool.

Experience the charm of the ancient abacus with this interactive calculator. Perform basic arithmetic, learn its history, and practice math visually.

Use our Ancient Abacus Calculator to perform basic math operations like addition, subtraction, multiplication, and division. Inspired by traditional counting.

An Online Abacus Tool is a digital version of the traditional abacus that helps students learn mental math in an interactive and engaging way. Unlike physical abacuses, a Virtual Abacus Tool allows …