_ ( lo^l ) 
Pro conftrudiione Tabularum quarumvis numerica- 
rum percommoda eft Series quce fequitur. Defignent 
&c. f, c, h, a, a, y, cT, g, &c. terminos alternos in 
Serie utrinque ferpente in infinitum ; Pone Az=a -J- a, 
Q C rrr: ‘y -\- D n:; ^ dt E — S &C» 
Ec terminus inter a & <* eric 
^ * 
rx— + 
1^3 2 A — jB-f-C , 
X + 
1 . z 
1.3.5 
X 
5 / 4 — 9 B-f- 5 C— D 
I . z . 3 
1 . 3 . S • 7 
14. A — zSB-l-ZoC — 7 D-f--E 
1 • z . 3 • 4 ^ 
I . 3 . 5 , 7 . 9 41/4— 90B4-75C— ^‘>0+9^ — F , 
1" Z .3.4.5 ^ z'“ ‘ 
il3i?.7.9‘ir l^^A—l97B-h^ 7 5^ — 154D4-54^ — TlF-p*^ t 
i.Z.3.4.5.6 ^ 2 '^ ‘‘ 
8ic. 
Hsec Series fequitur ex cafu tertio Propofitionis, 
ponendo z=^o. Coefificientes numerales literarum fie 
producuntur ; exempli gratia, in quarto termino coe- 
fficiens literal penukimae C eft 5 ; pone 5 -f- i = », & 
numeri qui proveniunt ex multiplicatione terminorum 
I ^ Y “1“ ^ ^ ^ ~5~ ^ erunt i, 6, 1 5:, 20, 
&c. Horum differentiae 5’, 9, funt numeri quaefiti, 
Atque adeo Series ad libitum produci poteft. 
Datis Logarithmis numerorum q6, 48, 50, $%, jq, 
56, 58 & 60 ; invenire Logarithmiim numeri 53, qui 
confiftic in medio omnium. Pone /, 5”2 -j-;/, ^4 = ^4 = 
344 S 3 > 97 *o> 34 > $ o+h ^6 = B ;=a, 4471, 5803,1 Y 
