moas.atlantia.sca.org https://moas.atlantia.sca.org/archive/wsnlinks en-us Introducing the Abacus http://www.mathmojo.com/abacus/mathmojowiththeabacus.html Tue, 25 Jan 2005 20:54:17 GMT https://moas.atlantia.sca.org/archive/wsnlinks/link.php?action=detail&id=4466 https://moas.atlantia.sca.org/archive/wsnlinks/comments.php?id=4466 How to Use an Abacus http://www.iit.edu/~smile/ma9007.html Tue, 25 Jan 2005 20:52:11 GMT https://moas.atlantia.sca.org/archive/wsnlinks/link.php?action=detail&id=4465 https://moas.atlantia.sca.org/archive/wsnlinks/comments.php?id=4465 Abacus: The Art of Calculating with Beads An extensive site on the abacus, including its history and an interactive Java-based abacus. http://www.ee.ryerson.ca:8080/~elf/abacus/ Tue, 25 Jan 2005 20:50:34 GMT https://moas.atlantia.sca.org/archive/wsnlinks/link.php?action=detail&id=4464 https://moas.atlantia.sca.org/archive/wsnlinks/comments.php?id=4464