The abacus is as useful and effecient a machine today as it was when it was first created centures ago. Whether you're an expert in the latest computer technology or you're mastering arithmetic and word problems for the first time, it won't take long to learn the basics (and even the not-so-basics) of adding, subtracting, multiplying, and dividing on this ingenious and fun-to-use mathematical tool.
Buyback (Sell directly to one of these merchants and get cash immediately)
|Currently there are no buyers interested in purchasing this book. While the book has no cash or trade value, you may consider donating it|