Robert Recorde's Whetstone of witte, 1557
1957; National Council of Teachers of Mathematics; Volume: 50; Issue: 4 Linguagem: Inglês
10.5951/mt.50.4.0258
ISSN2330-0582
Autores Tópico(s)Historical Studies of British Isles
ResumoThere is little that is original in the content of Robert Recorde's Whetstone of witte. Yet this book contains the “pair of twin paralleles of one lengthe” which Recorde used to mean “is equalle to.” This was his own invention
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