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The abacus also called a counting frame, is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere Abacus is a tool that helps in doing mental calculations. Develops concentration ability of a child.Improves learning power in all subjects. A 17-rod abacus is a type of counting tool or calculating device used for arithmetic calculations. It consists of a frame with rods or wires running horizontally, and each rod contains a series of beads that can be moved back and forth. The rods are typically divided into two sections, with the lower section containing one bead per rod and the upper section having four beads per rod. The 17-rod abacus is designed to handle calculations involving numbers up to 9,999,999,999,999,999. Each rod represents a decimal place, with the rightmost rod representing the ones place and the leftmost rod representing the trillions place. The beads can be moved to represent numbers and perform addition, subtraction, multiplication, and division operations. To use the abacus, you slide the beads back and forth on the rods to represent the numbers involved in the calculation. By manipulating the beads, you can perform calculations by adding or subtracting values and keeping track of carries or borrows. The specific methodology for performing calculations on an abacus may vary depending on the system or technique being used. Abacuses are primarily used as educational tools for teaching and learning arithmetic concepts, particularly in some Asian countries. While electronic calculators and computers have largely replaced abacuses for practical purposes, they can still be found in use today and are valued for their ability to promote mental calculation skills and number sense.The abacus also called a counting frame, is a calculating tool that was in use centuries before the adoption of the written modern numeral system
Problem solving tool
Improves concentration
A 17-rod abacus is a counting and calculating tool used for arithmetic operations.
It consists of a frame with 17 rods or wires running horizontally.
