File:Approximately Equal Sign - Alfred Greenhill.png
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Approximately_Equal_Sign_-_Alfred_Greenhill.png (502 × 333 pixels, file size: 160 KB, MIME type: image/png)
Summary
| Description |
English: One of the first uses of the symbol (≈) "Approximately equal to." - Alfred Greenhill, in 'Applications of Elliptic Functions'. (1892) |
| Date | |
| Source | Book: Applications of Elliptic Functions, PDF: https://dn790004.ca.archive.org/0/items/applicationselli00greerich/applicationselli00greerich.pdf |
| Author | Alfred Greenhill |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1931.
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Note: This tag should not be used for sound recordings. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:30, 18 December 2024 | | 502 × 333 (160 KB) | wikimediacommons>Farkle Griffen | Uploaded a work by Alfred Greenhill from Book: Applications of Elliptic Functions, PDF: https://dn790004.ca.archive.org/0/items/applicationselli00greerich/applicationselli00greerich.pdf with UploadWizard |
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