Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Chisenbop Tutorial This Korean calculation method lets you do basic arithmetic using your fingers. The finger math tutorial includes illustrations as well as streaming media lessons. From a computer science instructor at Indiana University/Purdue University, Indianapolis (IUPUI). http://www.cs.iupui.edu/~aharris/chis/chis.html Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *