Calculator
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Ingenium,
1996.0356.001
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- OBJECT TYPE
- ELECTRONIC/PORTABLE
- DATE
- 1974–1978
- ARTIFACT NUMBER
- 1996.0356.001
- MANUFACTURER
- National Semiconductor Corp.
- MODEL
- 4640
- LOCATION
- Sunnyvale, California, United States of America
More Information
General Information
- Serial #
- 047932
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- SYNTHETIC WITH METAL TRIM/ SYNTHETIC CASE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 17.5 cm
- Width
- 9.5 cm
- Height
- 4.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Mathematics
- Category
- Calculating devices
- Sub-Category
- N/A
Manufacturer
- AKA
- National Semiconductor
- Country
- United States of America
- State/Province
- California
- City
- Sunnyvale
Context
- Country
- Canada
- State/Province
- Quebec
- Period
- C. 1974-1980
- Canada
-
IT IS A CLOSE COPY OF THE HP-45 BUT PROBABLY HALF THE PRICE. RCB BOUGHT A HP-45 IN 1973 FOR $501 (TAX INCL.) BUT THIS CALCULATOR WAS PROBABLY $300 OR LESS. - Function
-
USED BY SCIENTISTS & ENGINEERS TO CALCULATE MULTIPLE FUNCTIONS. FORTY FUNCTIONS USING A "FUNCTION" KEY TO MAKE EACH KEY OPERATE 2 FUNCTIONS. CAN BE SET FOR EXPONENTIAL DISPLAY. 10 DIGIT DISPLAY. - Technical
-
DESIGN COPIED FROM HEWLETT PACKARD CALCULATORS (E.G. HP-35,45,65). AS WITH HPS, THIS USEDREVERSE POLISH NOTATION (SEE PG 14 OF MANUAL) WHICH MADE MORE EFFICIENT USE OF THE REGISTRARS & WAS FASTER TO MANIPULATE ESP. FOR COMPLEX SERIES OF CALCULATIONS. - Area Notes
-
Unknown
Details
- Markings
- CALCULATOR: PRINTED ON TOP: 'National/ Semiconductor 4640/ [DESIGNATIONS ON AND BELOWN BUTTONS]'/ MFG'S STICKER ON BACK: 'NATIONAL/ SEMICONDUCTOR/ Consumer Products from/ National Semiconductor Corporation/ 1177 Kern Avenue, Sunnyvale/ California 94086/ Serial No./ 047932/ Made in U.S.A.'/ MOLDED IN BACK: 'MADE IN USA/ U645'/ CASE: STAMPED IN ZIPPER TAG: 'TALON'
- Missing
- NO ADAPTOR
- Finish
- CALCULATOR: BLACK TEXTURED BODY; YELLOW, WHITE OR BLACK BUTTONS/ CASE: BROWN SIMULATED LEATHER OUTSIDE; BLACK ZIPPER AND INSIDE PADDING
- Decoration
- CALCULATOR: NARROW SILVER METAL STRIPS AROUND TOP FRONT
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
National Semiconductor Corp., Calculator, between 1974–1978, Artifact no. 1996.0356, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1996.0356.001/
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