The Abacus: The Original Calculator

The abacus is an ancient manual calculation tool made of beads or counters that slide on rods or wires within a frame.

​* It is used to perform basic arithmetic operations like addition, subtraction, multiplication, and division.

​* It helps develop mental math skills by training the user to visualize the beads, a technique known as "Anzan."

​* It sharpens focus, concentration, and memory by engaging both the hands and the mind.​It's a simple, powerful tool for building foundational numerical fluency.