Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c13.38
Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c13.38
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c13.38
The Arabians termed the unknown (and they wrought but on one) *shai* thing. It is translated by Leonardo of Pisa and his disciples, by the correspondent Latin word *res* and Italian *cosa*; whence *Regola de la Cosa*, and Rule of Coss, with *Cossike* practice and *Cossike* number of our older authors,⁶² for Algebra or Speculative practice, as Paciolo⁶³ denominates the analytic art; and *Cossic* number, in writers of a somewhat later date, for the root of an equation.