Original Assignee Suwa Seikosha KK Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US00226921A Inventor K Yamamura M Goto Current Assignee (The listed assignees may be inaccurate. Google Patents Time calculator with mixed radix serial adder/subtractionĭownload PDF Info Publication number US3809872A US3809872A US00226921A US22692172A US3809872A US 3809872 A US3809872 A US 3809872A US 00226921 A US00226921 A US 00226921A US 22692172 A US22692172 A US 22692172A US 3809872 A US3809872 A US 3809872A Authority US United States Prior art keywords calculator result hexadic time decimal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3809872A - Time calculator with mixed radix serial adder/subtraction US3809872A - Time calculator with mixed radix serial adder/subtraction

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