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Antique wooden abacus It is the world 's first calculating tool.
Studio shot.
Wooden abacus isolated on white background
A close-up of an Abacus, a traditional and ancient adding machine
Blue Vintage Wooden Abacus Mockup in Duotone Style on a pink background. 3d Rendering
3d rendering of abacus, back to school, standing out from the crowd concept.
old abacis in toned monochrome
A vintage abacus placed on a wooden table, representing an old calculating tool.
Old wooden abacus for counting money on a wooden table close-up black and white photo
Home office and parenthood at same time. Exhausted parent with hyperactive child.
Vintage abacus
Abacus or sempoa, abacus miniature close up details.
Count learning. Traditional abacus isolated on white background. Children counting, school tool for basic maths, colorfoul beads and wooden frame. Copy space, template. 3d illustration
3d render, data visualization bar chart finance concept.
Child playing with abacus  with two hands, close-up  high angle view, rows of multi colored beads.
The picture shows a medium sized handmade vintage abacus made of teak on a white sofa.
Calculators used by Chinese children in the 1980s
Old wooden abacus isolated on white background.
Abacus for Counting isolated on white
wooden abacus on a red background
calculating
More Photos like this here...
abacus mean symbols of wealth and prosperity
A vintage wooden abacus on white background.
Letter F Abacus with multicoloured beads
Abacus isolated on white.
Free Images: "bestof:AbacusBaseFiveTen.PNG This is the small abacus of Al-Khwārizmī abacus with base-five/ten All upper beans have the five values and all down beans has the ten"
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