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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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DE SFOTIONTBUS
Cap. VII.
50. Si A = 943(Fum V = 9. FF (Per 5 37,) Bg = C9 + D9L CDV:
SI. Si A = 85 : 72- Y: 2 + 15 + V5
52. Si A = +393 (Tum V = 99. EF (per 5 38,) B9 = C9 F D9LCDV:
53. Si A = 403) 2 + Y: 2-,5 + 15
54. Si A = 130Z (TuM V = BF. Et (per 5 39,) B9 = C9 + DqL CDV:
55. Si A = 493)2 - V: 2 - y5F 15
Et Cimiliter, ope 640, 47, ac. procedendum erit ad Arcus determinandos per
Craduum Ouadrantes; et ulterius A libet.
Tiem; Cum Subtenta Gractuum 72, sC R V 3= E; ee Subten Fa gractuum 60,
=R: Collisamus inde Subtentam Disserencia corundem, seu gractuum 12. Ni-
mirum, R in Y 25 3V5 - 3tV5; sea Y. 30 -6Y5: -Y5 -
Eic procecamus.
= R. Inde
56. Si A = 96 CTum V = +2. Adeoque B 4 = C 9 + D 9 +
57. Si a = 84 ZY. 30-615: -15 =2CD.
(Tum V = 96. Et (per 5 56,) B9 = Cg F Dg = (CDV:
58. Si A = 138 2 + V. 30-615:-15-1
CDr 2 15 t Y: 30- 615:
53. Si A = 42 Y 15 - 13 + 1: 20 + 215: cD.
Tum V = 84. EL (per 5 57) B9 = Cg F D9 = (CDV:
60. Si A = 1322 Y: 30-615: - 15-
CDY dtYS V. 30 615.
62. Si A = 48 Y. 30 +615: - 15 + 2CD.
Tum V = 238. EK (per 558,) B9-Cg f D9= (CDV: 2 + V:
62. Si A = 159) 2+ V: 30-615: -Y5.
t
63. Si A = 25
: =CDr: 2+, 7 V5+V: 30- 615-
CDr SFr. 25 - 13 + v. 10 +215:
(Tum V = 42. Fc (per 559,) B9 = C9 f Dg + (CDV: 2. V.
4. SLA = 112) 2+ Y: 30-615: -15 - 2 -CDY: 2 ,2 15tV: 30- 615. =
65. Si A = 69
CD, 3- Y15 + 13 = Y: 10 + 215:
(Tum V = 132. Ec (ver 560,)B9 = Cg f DgL (CDV: 2 F V:
66. Si A = +582
1. 30-615: 15-2
 CDY. 2+ Y. 8. V: 30 615: +15 +
Si. SiA = 24) = CDr. 2+Y tV5. V. s0- 6Y 5:,  r30+615: 15.+C
CDr ~ 15 + Y. 30 +615: -, v. 30- 6y5. + 15+L CD
68. Si
20
.8
u
1
12
1
n