xbs 



DE DVRATIONE 



$. 7. Formula, qua vfi fumus, ad numcros 

 tertiae columnae calculo crucndos , fcilicet -rn~^ , 

 liitis indicat nnmcros hoscc non cfTc exadle propor- 

 tionalcs numcro primo ad arbitrium afrumto , nifi 

 iilimcrus ifte primordialis fit permagnus ; at \cro 

 tunc numcri poHrcmi aliqnantillum al» idcntitate 

 proportion.ditatis rcccdent ; notandum porro cx co , 

 qucd fraiftioncs omncs rciicimus , panuilos crrorcs 

 \nitate maiores , minorcs tamcn binario in nume- 

 ro» quartae columntrc ctxkrc pofle ^ numcri ifti ge- 



ncra- 



