History

Time	Change
2017-03-30 06:59:06+00:00	Created
2017-03-30 06:59:06+00:00	Associated with 二進化十進数
2017-03-30 06:59:20+00:00	Associated with BCD
2017-03-30 06:59:20+00:00	Associated with 2進化10進数
2017-03-30 07:33:41+00:00	Associated with 二進化十進表現