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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 108, page id 851708439:0132
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L. 6 l. B. l 
Cap. XXII
occuxtam gna. 
invicem tigna - numero paria; hic vero, imparia. Adeoque alternis potestatibus
Fxemplo res erit manitesta. Fx de primo casu f A F F, liquet ex mulciplica.
cionibus lupra tradicis. De reliquis sic liquet;
F RadiX.
LF. = F.9
AL + F. 4. Ouadeatum.
AF.
ZAGE L AFC
AgC. F 2 AF. 9. = F. C
292. F 3AF. 9 = F. C. Cubus
AC +SRGC.A- 3 AF C F L. 90
tA99 = 3ACF. F ZAGF g - AF. C
+A44
4 ACk +0+4L. 4 4 A F. c. F B. 99. Biqualtratum.
e. Radir.
c
 AF
AF. + P. g
F A9 + 2 AF. + P. 9. Ouadr.
AgF. = 2 A H. 9
lC
=sAgF. - 3AF. 4 = F. C. Cubus.
FA94 Y SACL = 3AGF. 9 F AEC
AcL F3agF9 + 3AF C F F. 99
+ A99 + 4 ACF F 6AgF9 F 4 AF C F F 99. Biquadratum.
eC.
=AC = 2AgF. = AF. 9
Tioner eriam ex continne proportionalium natura, qua lede locandum st quod-
vis membrum cujusque porestatis. Supponendo (quod ulu renire (olet) radicem
binis Fiouris scriptam, quarum altera dicatur A, altera F.
Ouamris enim Radix in qualvis duas partes pro libitu direlli postic; puta, y in
4. = 3; uE SIE A = 4, E = 3: Nam etiam BC A9 = 16, f 2 AF = 24, f F. 9
9: Lacienc 49 = 7 4
Actamen, in usirara Radieum extractione (quo res haec poristimum spectar,) ubi
Radix binis nocis seribitur, puca 57; prior censeri solet A, posterior L; ut 5
(hoc elt 50) sC A; et 7, F.
Cum itaque, in radice, siF A =5, Sed Tubincellecta ciphra sequente; A 5.
sedesiplius s’erie locus secundus, seu supra monadtum lOcum prIIIS: F. 7
Sed7 (propter nullam hic Cubincel lectam ciphram) sedem habet in ip lo mo.
nadtum loco.
Trem in guadrato; Cum st A g = - 5X5 = 25; hOC
Cs, (propter ciphras duas Fubinte llectas) 50x 50 -
2500: Sedes quadrati 25, criilocuscercius, (qui est su-
pra monadum locus (ecundis.) Sed A F = 5 X 7
hoc est (propter unam ciptram Cuhincellectam) 50x7
350, adeoque 2. A = 700; Sedes ipLIuS AF = 35,
adeoque 2 AF = 70, erit in loco decadum, seu primo
supra Onitacum locum. Denique F g = 7 x7 = 4
(Dropter
E
Gnomon