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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 822, page id 851708439:0846
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822
C O M M F R C L U M
rione auc diritione ab illis deduxic, quos a Frenicle accepeos ad iptum crantmilicti,
(Vide Fpist. 27;) e Si habeas exemplar Epiltola cux ad ipsum W allisium in qua
ipsi cubi concinebancur, facile cornosces quinque sequences Cuborum copulationes
incer ipsos cubos reperiri. Iltis aucem quinque coia cuborum leries d W allisto cala
MnIIIuII.
Cuborum radices.
1. 2 + 12 =8 4 10.
1. 2 + 16 = 9 + 15.
32. 20 + 27 = 19 + 24.
12. 2 + 34 =
3
52. 9 + 34 = 26 +33
Alia vero qua lequuntur Cuhorum copulaciones numeto 22 IIa TM Quas
Walliscus dicie a Frenioleis disterre, post quarum quamlibet volici lune numeri in-
dicances de qua ex quinque copulacionibus Fuprapolicis quaque line delumpia;
ec per quem numerum cubos d Nobilicate cua accepeos ad luorum constructionem
vel diviseric vel mulciplicaveric: nempe parcieula, in, indieat mulciplicationem, de
parriculas per, denorac divitionem.
Cuborum Radices.
30
16.
263
60
e
136
O2
1. In 3
DeT 2
4. Per 2
ex 2
in 4.
Per 5.
3. DeF 3.
n
3
C3 + C36 -
4c
48 + 90
8 +
3+
36 +
1 +
8 +
8 +
+
3
60 -
B
in 21
l 2.
iu 4.
. Vet 2.
2. I 3
4. DCt 3.
2. Dec 3.
2
in 3
2. I 5.
40
60 = 4i + 50 l 1. l 5.
+
66
18-
36 +
5. III 2
4. i 2.
1. in 4
3. In 3
Onde non est quod mireris si tam tache us ta spatio vel centum praebere
spondeat; quid enim facilius quam exisuos numeros mulciplicare vel dividere, d
certe cum unica tancum cuborum copulatione pluries milleni facillime de ablque
auplicare (dividendo) lingulos numeros cuborum radieibus, ue videre elt in le
quenci cabella, ee sic in intinirum; ubi nulla opus est vet musciplicacone vel alit.
hione, nli s tubet ad reductionem.
ullo neporio exhiberi pollune. Non enim in hac operatione major inest labor,
nec subcitiore indasatione ret icustria naec Guan Ma Terminos cu
jutibet Copua daca, L Verbi gracia, HetDC L, lL. =, 10. per singulos Or-
dine numeros, 2, 3, 4, 5, ecc. e sic ad libitum procedere: vel quod sacilius est