How to Use an Abacus
Adapted from https://www.wikihow.com/Use-an-Abacus An abacus is a deceptively simple calculating tool that has been used for thousands of years. This short booklet has instructions on how to use an abacus to count, add, subtract, multiply, and divide numbers. NBP now sells an abacus! Contents How to Use an Abacus Counting Numbers Using an Abacus Part 1: Counting Part 2: Adding and Subtracting Part 3: Multiplying Part 4: Dividing
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- Format
- Braille, Braille (BRF download)
Variants (2)
- Braille — 10.00 USD — In stock
- Braille (BRF download) — 10.00 USD — In stock
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