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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 31, page id 851708439:0055
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Ca
L G F B R A
0. 33353
(.quippe id nec in his nec in Sexagelimalibus fieri semper Potest,) sed quod id
laepe quidem tiac (ut 8 = 0. 125,) e quando id non tuc, ita tamen (ut in
Seragelimalibus) ad jultum ralorem appropinquare licet, ut quamlibet minime
inde ditterat: uE Z == 0. 33, aut (E major accuratio requiratur)
aut etiam 3 == 0. 33333,55555,  eb achue, E libet, accuratius
Cum igitur axpibcia Mathemarica reguiritur, adhibendae erunt tractiones or-
dinariae, auc etiam (si opuS Cic) numeri utcunque surdi: cum aurem sulticere
Doltic approximat (i Pro vero lumatur rero proximum) Facilict Cu llaC
methodus e latis ad eos ulus accuratd.
Foret, absque hoc auxilio, id praectare: et guidem, cum laclum fuerit, difficilius
la aurem hac natou i espeaie fiet.
mens assequetur ralorem sic designacum uc accuratio Machemarica postularet.
123 =
12, 33333
O. 26
17 = 03. 45433
103 = = 10.
2 = O2. 4. l 4. 2. L1
V 2 = = OT. 25928 7
Siuta = 29. L4. 1511
Tinc tguris numerariis habeti postet.
HoC CR 29_ proxime. Ouod lacilius mene alteguitur quam si scriberetur
26, 836. + V2 + V: 3 = V2. Seu haec delignacio multo est commodior quam
Ouodque de Additione dictum est, paricer de Subductione intellisatur. Puts
S ex T0Z Subcrahendum sIt 3,7. Auc ex axpresato prius potico Tubirahere opOr.
reac 3. Ouod sic pelticiendum ett;
103 = 10.5
2824137
32 = 03.43433=
Lchid. = 07.04545 7
Retid. = 28. 96537 4
Si autem summma lupramemorata, Mulciplicanda Foret per q, hoc est per
4. 18596 + aur 4. 18597 -: Id hc tacile het ut in numeris intesris.
2924. 1377
4. 18597-
20468050
263172.33
T. 4620685
2. 3393096
2. 924. T37
176, 96548
122.4034075789
Ded he maxime carendum erie, i sius cuique loco ralor conserretur, relle
Duoe sant in utrogue Factore (live aequales illi fuerine sive in ́quales) loci
partium decimatium, tolidem reputandi sunt in Facto.
Prout enim, in communi Mulciplicatione, I P’actor alter vel uterque Ciphris
Cuna vel pluribus) cerminetur; his sepoltis, peragenda est in reliquis sGurIS
operatio, acque tandem ior reponenda Cuphra quor erant in uroque tactore.
(Puta 200 I 3000 Faciu 600000.)
Pariter in partibus decimalibus. Puta, in propolito exemplo; Cu LuIC t 
Factore parrium decimalium loci 5, ee in altero itidem s; erunt in Producto,
Joci 10. Adeoque posteriores loci r0, tunc puncto Peu linea Separatrice separandi
pro locis partium decimalium; relictis iribus reliquis pro Intexrorum locis.
N
que actignetur Unitatum locus. Ouod ut tiat, haec docebit resula