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 84
The feconde parte … git the ftrtte figure pou rec ♦ 2 . erpzcueo m icnguje fa>eQtI)e,aitD D epthc. 0na in the fecona famtexfa tc* pjefentea in all thofex&nnenSons. gn thc*4*Ugure 4, is the roote,ana is amtnen agreablp to that fo^tnc* Scholar. SDhis is maittfefte inougl) to Ggbtc* gaiter* petreafon oughtto foatgbit…
Algebra · Arithmetic
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