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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
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A L C F B R A. C ap. XF III.
Adeoque ecc + 3Bec + 3Bbc = bbb = = a aa 3 = - sCC,
=3bec - 6bbc 366b = - 3b44
Fit eec -3bbe = = 000 + 2666. Cujus radix o = a - b.
Oux pocest esse AAirmatira aut Pegatira, prout a aue B major est: Vel SI X
aequalis, radix craneseit. (Idemque alibi incellisas, ubi tale quid occurrit.) Adeo
que, cum politionum altera protert Negatiram, proteret altera ACirmatiram. Car-
celius autem, dum hujusmodi binarum positionum alteram adhibet, reliquam (ut-
uc non minus urilem) neglisit; nusquam habet seinam. ib ai
IV. Aquatio aaa + 3ba a + 4d a = + 50C, 1  oii cp
Potito a = e - b,
y 31 301
Adeoque Fecc = 3beC = 3BbC = bbB = = a a a)
Fit
= 3bec = 6bbc = 3bbb = = 3baa  = = 6c6.
+ ade - dab = + d da
d ab
V. Aquatio a∞4 = 3b a a = d d a = - 565,
Adeoque -cec = 3bec = 3bb0 + bbb = = a aa)
=3bec + 6bbc - 3bbb = = 3baa = = - 566,
dde + ddb =  d d a
eee = 3bB0 = + c5c. Cujus radix e = b - a.
Vel Polito
adc - 2bbb
+d +b
a = e +b,
Adeoque + eec + 3bec + 3bb0 + bbb = + aa a)
Fit
91dB1)
+ eec - 3bb0 = + ccc. Cujus radix e= a = B.
 adc = 2666
POFitO a =b - e
Fit
0
-3bec - 6bbc - 366b = - 3baa  =- = 666,
 adc + d db = + dda)
eec = 3bbe = - 66c. Cujus radix e = a - b.
 da c = 266b
d ab.
VI. Aquatio a aa = 3Baa - a d a = F CCC,
POGtO a = c - b,
Adeoque + ecc = 3b ec = 3bbe - bbb = + a aa7
+ 3bec -6bb c + 3bbb = + 3baa  = = CCCy
ad c + dab =- ada
ee0- 3bb0 = +c0c. Cujusradix e = a. + b.
ddc - 266b
dab
VII. A quacio 2a a = 3b a a = 2 2a = - 566,
Potito a = b - c,
Adeoque = eec = 3bC0 = 3bb0 = BBB = F a 4 7
3600 + 6bbc - 3bbb - - 36a f = - 666,
ade - dab = - d d a)
Fit
10
cop
1
De