">¥.% ) l^ ( %H^ 



•Si—-^~i^-'^ -(/■- 1 Y 



3 0+O-4-'''-O' 



7(/+ij— i6fi— i)' 



vnde coHigimus 

 /f — a(/— I ) 



3(H-i) - 4(^-0' 



eic. 



§. 22. Si hniusmndi fradioncs defideremus pro 

 loearithmis numcrorum fra(florum, Ihunamus ".it-^ - ^, vn- 

 de fit fi—.p-^q et m — p — q^ quaiiiubrem hubcbimus 



^ip-vq)-i^lzlL^ 



3(/> + y)-4(P-y)' 



y{p+q) -erc. 



quae forma eo mngis eH: notaru dignn , qnod fuis com- 

 mode adhiberi potcll ad lngarithm'>s proxime inucfl gin_ 

 dos. Eo magis autcm iftae fradiones cont.nuae couucr- 

 g.nt, quo miuor fucrit fiadlio ^-^. 



§. 23. Quo hoc cxemplo illi!nrcmus , fum^mns 

 ^ rr 2 et ^ — I , vndc quidcm noii adco Vthcmcus coii- 

 ucig-ntia tll cxpcdanda, critque 



/2- 



