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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)
# Folio 224, page id 851708439:0248
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224
A L GGF. B R A.
V. Si b = 2. 6 = r. d = 3. f = - 4. r = +. Aiquationes exuHIL
A 1 2aa 17a = + 44.) et a a f 15a-7 - 44.  - . 5 = 8
Radices, f8, 5 =V L16, 25.
e =7,5 F335.
Hoc ee = 29, 282, 8 - 2, 282) fere. Acque  11, et = 4.  d +
C
D. F. IV.
6 = 8. 311118 C3 Bbit ee
0t
vintia
V L Eet ciroiis ritse s
311
VI. Si B = 6. 6 = 4. a = - 4. 5 = - 8. r = 2. A QuatIONES CTMNE,
aa = 6a = = 26. 8 aa + 14 a = - 76.
Radices, - 3=5. 8 - 7 = V 33.
HOc est, f 2. -8. _ - 2, 25. = 12,75. fere.
Acque his sex catibus, figuras aptaViMUS.
VII. Si B = 28. 6 = 80. a = 35. f = 40. r = 3. Aquationes erune,
aa + 73a = + 3360.  a a - 87 a = - 3360.
Radices, = 36, 5 +68, 5. Hoc Cst, F 32. = 105.
Trem, 43, 5 = V = 2467, 75. Imaginaria.
VIII. Si B = 28. 0 = 80. d = 25, 5. 5 = 40. r = 2, A quatiOneS CruNE.
a a = 85, 5a = = 1360.. et aa - 74, 5 a = - 1360.
Radices, = 427 75 = V 3187,5625. HOc est, = 23, 7. e = 39,2. fere.
Trem, =3725 +5, 25. Hoc ett, = 42,5. e + 32.
IX. Si b = 8. c = 6. a = 2, 4. f - - 2. r = x. A quationes eruNE
aa + 3, 6a = + 30,4. de a a + 7, 6a = = 30, 4.
Radices, 2,8 =5, 8. Hoc est f 4. 8t = 7 6. Reales.
Trem, - 3, 6 =V = 25, 96. ImaginaxIX.
X. Si b = 49. c = 140. 4 = 45. f = 76. r = 3. Aquationes erunt.
aa + 156a = + 5152. _ aa = 248a = -- 5152.
Radices,
dece