4.8 (583) · € 25.50 · En Stock
The abacus was a calculator invented sometime between 1000 BC and 500 BC in China, often constructed as a wooden frame with beads sliding on wires.
Chinese Lucky Calculator Portable Chinese Wooden Abacus Arithmetic Calculating Tool
Standard Wood Mathematic Abacus Traditional Chinese Calculator
Ancient abacus down for the count
Abacus, Chinese wisdom at your fingertips-China Story
History of the Abacus - Abacus Maths
Math 105 History of Mathematics
Description:, 9 Rows Vintage Chinese Wooden Bead Arithmetic Abacus with Box Classic Ancient Calculator Counting Collection Gift for Children Adult,
Abacus Chinese Abacus Bead Arithmetic Math Calculator Counting
Professional 11 Column Math Abacus Math Calculating Tool with Colorful Beads Educational Toys Montessori Toy Japanese Chinese for Kids
Description:Vintage Chinese Wooden Bead 11 Rods Arithmetic Abacus with Box for Children Adults Gift Collection., Made of high quality wood
11 Rows Chinese Abacus, Calculator, Calculating Board With Box, Size 21..2x2.1cm
Mathematical Treasure: Raymond Clare Archibald's Slide Rule
Product Overview The abacus was a calculator invented sometime between 1000 BC and 500 BC in China, often constructed as a wooden frame with beads sliding on wires. It was in use centuries before the adoption of the written Hindu-Arabic numeral system and is still widely used by merchants and clerks in China, Japan, Africa and elsewhere. The abacus is also widely used in teaching counting and mathematics.
Vintage-Style 13 Digits Rods Wooden Abacus Soroban Chinese Calculator Counting Tool 11
5,658 Abacus Chinese Images, Stock Photos, 3D objects, & Vectors
Vintage Chinese Abacus Diamond Rosewood Brass Ancient Calculator 13 Rods 91 Bead