5* 8 5 ny* 8 33The ſeconde Booke.JA briefe Treatiſe of that part ofAlgebra that concerneth Colsicall,

or Denominate Numbers,CH AP. 1.

SD in common Arithmetikeall Abſtract numbers take theiroꝛiginall from the Vnite, fo inthele kinde of concrete oꝛ De-nominate numbers, wer takedure beginning from a Radix 02S Roote, not impꝛoperlie ſo tear-N med, ſithens out of the fame, as12— from the verie baſe and rote arederiued infinite bꝛaunches of thele Cofsicall numbers. Andas in common numbers wer pꝛoceede from the Vnite byAddition, to create all kinde of Numbers, fo in this Arteof Pumbers Cofsicall, wer pꝛottede from the Kote byMultiplication, to create all Squares, Cubes, Zenzizen-zike, and Surd Solides, wyth all other that in this Sciencegs vled, the whyche by Example mape beit ber erpla-

F% 811„2Roo. Sq. Cu. S9. So. S9 C. B[S. SSSq. CC. SHS. C. SSC.2 4 8 16 32 64 128 256 512 1024 2048 4096

Any Number Abſtract map b a Roote, and Accordingko che value and quantitie thereof, all the other CofsickeNumbers in value and quantitie alter. For Example fake,do heere ſuppoſe the Roote 2, the whiche multiplped in itbelle, maketh 4 his Square, with his Character guer bys