Book:Robert Recorde/The Whetstone of Witte, whiche is the seconde parte of Arithmeteke: containing the extraction of rootes; the cossike practise, with the rule of equation; and the workes of Surde Nombers

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Robert Recorde: The Whetstone of Witte, whiche is the seconde parte of Arithmeteke: containing the extraction of rootes; the cossike practise, with the rule of equation; and the workes of Surde Nombers

Published $1557$.


Subject Matter

in which can be found:

a description of the cossist practice
the first appearance in print of the equals sign
the word zenzizenzizenzic.


Contents


Sources