Update history 2017.04.09 A text was added to the page of the "Options Part1". 2015.03.03 A text was added to the page of the "Options Part2". 2015.01.09 A Picture added to the page of the "Pictures". 2014.12.11 A text was added to the page of the "5540". 2014.12.07 A text was added to the page of the "5550". 2005.09.27 A text was added to the page of the "POS System". 2005.08.04 The page of "POS System" was added to "Others". 2005.08.02 A Picture added to the page of the "Pictures". 2004.03.09 A Picture added to the page of the "On-line Terminal".                      Pictures added to the page of the "Pictures". 2003.06.17 The page of "Pictures" was added to "Others". 2003.06.08 A text was added to the page of the "5551-G06". 2003.05.06 The page of "5551-G06" was added to "Others". 2003.04.11 The page of "Word processor" was added to "Software". 2003.04.03 A text was added to the page of the "Options Part2". 2003.03.23 The page of "On-line Terminal" was added to "Others". 2003.03.12 "Multi-Station" was changed into "Multistation" which is a formal notation. 2003.03.09 The layout of index page was changed. 2003.03.07 A text was added to the page of the "The characteristics of the software".                      A text was added to the page of the "Operating System". 2003.03.05 The page of "5499 On-line Note" was added to "Others". 2003.02.25 Pictures added to the page of the "5535-M18". 2003.02.23 The page of "Development Language" was added to "Software". 2003.02.11 The pictures of system unit was added.                      The page of "Diagram" was added to "Hardware". 2003.02.09 A text was added to the page of the "5535-M18". 2003.02.06 A text was added to the page of the "5535".                      A text was added to the page of the "Options Part2".                      The page of "Japanese processing" was added to "Software". 2003.02.05 The page of "5535-M18" was added to "Others".                      The page of "Options Part2" was added to "Hardware". 2003.02.03 The layout of index page was changed. 2003.02.01 A text was added to the page of the "Architecture". 2003.01.23 The page of "Options Part1" was added to "Hardware". 2003.01.15 English page was uploaded. 2003.01.13 Japanese page was uploaded. 2003.Jan.    Creation of a page was started. 2002.Dec.   Data were arranged in order to create a page. Index