File:First use equal sign.png
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Nonfiction: The first use of an equals sign, equivalent to 14x + 15 = 71 in modern notation. From The Whetstone of Witte by Robert Recorde of Wales (1557).
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Differential equation @ Wikipedia
Attribution:
By Robert Recorde - http://www-groups.dcs.st-and.ac.uk/~history/Bookpages/Recorde4.jpeg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=4338503
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:16, 28 November 2017 | | 217 × 27 (3 KB) | Admin (talk | contribs) | Nonfiction: The first use of an equals sign, equivalent to 14x + 15 = 71 in modern notation. From ''The Whetstone of Witte'' by Robert Recorde of Wales (1557). See Equation (nonfiction). == In the News == <gallery> </gallery> == Fiction cross-r... |
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