Page:The Whetstone of Witte.djvu/78

 must referre it to his square roote. And if I name it as a Zenzizenzike nomber: it muste bee referred to his Zēzizenzike roote. And in like sort of al other names.

As when I call. 64. a square nomber, & demaunde what is his roote: you muste nedes aunswere by his Square roote, whiche is. 8. But if I name. 64. as a Cube, and doe then seke for his roote: you must vnderstande his Cubike roote, and that is. 4. But if I name it to bee a Square of Cubes, or zenzicube: then is. 2. his roote. As you maie by the table perceiue. And also by the orderly multiplication of euery rewe, or order of nombers by their roote. For therby amounteth the nexte rewe.

And so maie you increase the nombers of those rewes, or orders, accordyng to the tymes of your multiplicaiō, as moche as you list. And euery order shall beare soche names, as agreeth to the nature of their rootes.

Wherfore thei appeare to bee ouersene, that call those formers nombers Surdesolides, seing thei are not any waies Surde nombers, but haue their rootes. And yet, to confesse the truthe, I cannot well tell you the true etymologie of their name: except thei be so named, as it were solide vnpon solide. And that interpretation were to streightly racked. But the name beyng receiued and well knowen, wee maie more easily with liberie vse it, then with scrupulositie, curiously scā it.

These nombers are simple nombers in their kind. For thei rise of. 5. multiplications. And if their roote bee a digite nomber, then is it the same nomber, that standeth in their firste place. And if their roote be an article, then hath that Sursolide. 5. tymes so many Cyphers together in the firste places, as his roote hath: and the nexte figure after those Cyphers, is the firste figure significatiue of his roote.

Scholar. I see it so in all these nombers, that bee