CA941509A - Calculating machines - Google Patents
Calculating machinesInfo
- Publication number
- CA941509A CA941509A CA105,321A CA105321A CA941509A CA 941509 A CA941509 A CA 941509A CA 105321 A CA105321 A CA 105321A CA 941509 A CA941509 A CA 941509A
- Authority
- CA
- Canada
- Prior art keywords
- calculating machines
- machines
- calculating
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB752670 | 1970-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA941509A true CA941509A (en) | 1974-02-05 |
Family
ID=9834821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA105,321A Expired CA941509A (en) | 1970-02-17 | 1971-02-15 | Calculating machines |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2555471A (en) |
CA (1) | CA941509A (en) |
DE (1) | DE2107614A1 (en) |
GB (1) | GB1309571A (en) |
NL (1) | NL7102115A (en) |
-
1970
- 1970-02-17 GB GB1309571D patent/GB1309571A/en not_active Expired
-
1971
- 1971-02-15 CA CA105,321A patent/CA941509A/en not_active Expired
- 1971-02-17 AU AU25554/71A patent/AU2555471A/en not_active Expired
- 1971-02-17 NL NL7102115A patent/NL7102115A/xx unknown
- 1971-02-17 DE DE19712107614 patent/DE2107614A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1309571A (en) | 1973-03-14 |
NL7102115A (en) | 1971-08-19 |
DE2107614A1 (en) | 1971-09-02 |
AU2555471A (en) | 1972-08-24 |
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