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Size of this preview: 542 × 599 pixels. Other resolutions: 217 × 240 pixels | 434 × 480 pixels | 543 × 600 pixels | 695 × 768 pixels | 926 × 1,024 pixels | 1,900 × 2,100 pixels.
Original file (1,900 × 2,100 pixels, file size: 1.65 MB, MIME type: image/jpeg)
Summary
DescriptionSharp EL-8 The First Portable Electronic Calculator.jpg | English: Sharp calculators Electronics Corporation introduced end of the year 1970 the first portable, battery four-functions operated calculator. The calculating board with 4 Rockwell LSI integrated circuits, and a timer integrated circuit. Display is 8 digits green fluorescent tubes. |
Date | |
Source | Own work |
Author | Mister rf |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
| This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license. | |
https://creativecommons.org/licenses/by-sa/4.0 CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue |
Items portrayed in this file
depicts
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copyright license
Creative Commons Attribution-ShareAlike 4.0 International
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source of file
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image captured with
Canon EOS 5D
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inception
18 December 2015
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 10:00, 19 December 2015 | 1,900 × 2,100 (1.65 MB) | Mister rf | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on he.wikipedia.org
- מחשבון
- Usage on ja.wikipedia.org
- EL-8
Metadata
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If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS 5D |
Exposure time | 3/10 sec (0.3) |
F-number | f/22 |
ISO speed rating | 800 |
Date and time of data generation | 22:22, 18 December 2015 |
Lens focal length | 27 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | ACD Systems Digital Imaging |
File change date and time | 22:55, 18 December 2015 |
Y and C positioning | Centered |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 22:22, 18 December 2015 |
Meaning of each component |
|
Shutter speed | 1.625 |
APEX aperture | 9 |
Exposure bias | 0.66666666666667 |
Metering mode | Partial |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 668 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 3,086.925795053 |
Focal plane Y resolution | 3,091.2951167728 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |