The Abacus - Beads, rods and frames
Software for learning, training, and fun
A large link collection with material for all kinds of abaci
Some abacus resources
The Virtual Abacus Exhibition. A gallery of different abacus types (under construction).
Calculation and neagative numbers. How to use negative numbers on a soroban.
A Korean abacus grandmaster (PDF file). This is the English translation of an article originally from a German magazine.
Soroban - useful-manual.pdf (2.8MB). This is a soroban manual by "The League for Soroban Education of Japan"
Japanese for Abacists (PDF, 0.5MB). This document is a draft version. It intends to help understand some basic written Japanese with respect to the words and phrases that occur when dealing with Japanese bead calculation (wasan).
Last update: 28 June 2005 - Torsten Reincke - firstname.lastname@example.org
|Our beloved "soro-cat" Carlson ... who passed away last year ...|