CA541939A - True negative totals mechanism for calculating machine - Google Patents

True negative totals mechanism for calculating machine

Info

Publication number
CA541939A
CA541939A CA541939A CA541939DA CA541939A CA 541939 A CA541939 A CA 541939A CA 541939 A CA541939 A CA 541939A CA 541939D A CA541939D A CA 541939DA CA 541939 A CA541939 A CA 541939A
Authority
CA
Canada
Prior art keywords
calculating machine
true negative
negative totals
totals
true
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA541939A
Other languages
French (fr)
Inventor
F. Larsen Oscar
H. Carlson Carl
R. Frieberg Nelson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA541939A publication Critical patent/CA541939A/en
Expired legal-status Critical Current

Links

CA541939A True negative totals mechanism for calculating machine Expired CA541939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA541939T

Publications (1)

Publication Number Publication Date
CA541939A true CA541939A (en) 1957-06-04

Family

ID=35699093

Family Applications (1)

Application Number Title Priority Date Filing Date
CA541939A Expired CA541939A (en) True negative totals mechanism for calculating machine

Country Status (1)

Country Link
CA (1) CA541939A (en)

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