The Ground of Arts

The Ground of Arts

Robert Recorde's Arithmetic: or, The Ground of Arts was one of the first printed English textbooks on arithmetic and the most popular of its time. It introduced the equals sign ("="). It was preceded only by two anonymous texts in 1537 and 1539; The Ground of Arts appeared in London in 1543,[1] and it was reprinted around 45 more editions until 1700.[1] Editors and contributors of new sections included John Dee, John Mellis, Robert Hartwell, Thomas Willsford, and finally Edward Hatton.

References

  1. 1 2 Johnston, Stephen (2004). "Recorde, Robert (c.1512–1558)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/23241. Retrieved 2012-01-26. (subscription or UK public library membership required)


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