The whetstone of witte, whiche is the seconde parte of arithmetike: containyng thextraction of rootes: the cossike practise, with the rule of Equation: and the woorkes of surde nombers (1557)
Recorde, Robert, 1510?-1558 · London : J. Kyngstone · leaf 59
if jfrithmetike, ' ttr. 1 6 ptcaufe tbe fquare of. 27.te.72 9. 8n0 tbe fi* met r Ale nomber to* 9 8 2 8. £>cbolar. &o mall it be, bp pour rale. Rafter. #ot oneip tbe rule Dot!) tcarfte pou tfmt ft to fo , but alfo tbe nature ano figure of foebe pm lumbers. £o here pou fee. … 15ut to tbe Entente tou mate tbe better bnoerffanb tbe nature of tbefc nombero:3i toft fet foftbe here tbe like Coco foftb otber nombero : foberebppoumate fcnotoe, that one (toe mate feme to otuerfe diametral le C.j, timbers
Algebra · Arithmetic
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
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