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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica (shelfmarks Leibn. Marg. 100:1/2, Stück 1; Leibn. Marg. 100:1/2)
# Folio 97, page id 851387705:0117
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DE DEVISTOHE.
ee 4 in quorience posscas, quanquam cum primum scriberentur, videri posent tot
dimplicuer unicates nocare, camen ubi coca perticicur divilio pacet illam ducenta,
ee hanc ocloginta, ligniticare; adeoque non dicimus numerum 2 (dirilorem) in
numero 486 (dividendo) concineri bis et quater de cer, led ducencies quadragres
et cer. Ec quidem in operacione prima, si locorum ratio habeaeur, non simplici.
ter bis duo ex 4, sed ducencies duo ex 400, Lire BIS aUAS CCNCUTIAS CX QUATLIOF CCN-
curiis; ee in operacione secunda, non tam quater duo ex 8, quam quacrasies duo
ex 80, sire quater duas decades ex 8 dccadibus, ablaca esse dicendum exir. LL (I.
milicer i aluis quibuleunque atritionibus.
Eodem modo, li 138240 per 3 diridamus; Diritorem 3 (non quidem Tub L,
quia iplo dirisore minor el, adeoque 3 in T nullies concinentur, et propterea in
quorience vel nihil ponendum elles vel o ciphra, quae hie loci nulli ellet ului,
cum nondum leripiam habeamus tisuram Cigniticatiram, sed) sub tigura Droxi
ma 3 Tubleribo; ec, cum 3 in 23 (Figuris suprapolicis) Concineantur quater,
scripeo in quociente 4, diritoris quadruplum +2 = 3X 4, ex 23 sublatum, relin-
quic e, quod reliduum deleris 13 superleribo: Tum delecum cciam eo loci diri.
lorem, ill proximum cranstero; ce, cum 3 i 1B conci.
neancur sexies, in quocience post a subjunso 6, de divi-
Toris sexcuplum 28 = 3x6, ex supraleripiis 18 Tublacum, 3) 238L4B (46080
nihil relinquic: EC delecis cans 3 Guam 28, divilorem in
loco sequence Tub 2 colloco: verum cum 3 in 2 ne lc.
3
mel concincancur, seripra in quotience ciphra o, dirilorem (istie delecum) in
3X8, ex 24 Tublacum, nihil relinguie: Deleris igicur 3 et 24, et poluo sub 0 di
Siquid aurem, Dirilore quocies tierr porelt sublaco, aliquid Diridendi achue Residus
rellicerie, (quod ipso divitore lempet nus esse necelle est, secus enum poster di notatio
adjunsenda erit tractio, cujus numerator eric Reliduum illud, denOmIator vero
ipse Dirilor, (vel saltem alia tractio, quae cancundem valebic, minoribus numeris
in quorience numero 2, de Sublacts 10 = 9X 2 ex 26, SupertunE 8. TUII, PEO-
999999
carum
nt.
rma.
Cap. XIX.
Praleripcis) Contmeneur octies, poluo M Quocience 8, diriloris oetuplum 24 =
elle 46080, lire tocies in eo numero ciridendo contineri divitorem;
Locum achuc Plou Promoreo, lub HSlira 4: Tum, quia 3 in 2+ (tisuris fu-
ritore 3, inveuio 3 in omullies concneti, adcoque de hic in quovence ciptrram
colloco; et peracta est cota divitio. AdeOqUE REDCrIO NUMeTI F38240 criencem
vitor salcem semel adhue auterri,) post Ouocientis numeros incesros jam inventos
Leritenda,) uc hrabeatur Ouoriens accuraluS.
moro dirisore, cum in S0 concincancur s octies, scripto in quorience 8, de Tubla-
is 72 = 9x8 ex 80 rellan superius seribenda 8. Tum, promoto adhue divi-
Tore, cum o in 83 concincantur novies, seripio in quorience 9, de Tublatis 81 = 9x 9
Cx 83 reltanc 2. Tum, promoro diritore, cum in 25 reperiancur 9 bis, scripio
in quovence 2, e sublato divitoris dupto 28 = 9X2 ex 25, Tupextunc 7. Cum-
que, promoco dirisore, in 28 reperiancur Octies norem, polito in quoriente 8, et
ex 76 Tublaris 72 = 9x8, rectane 4. Denique cum, pro
moco divitOrE, 9 In AE rEDErIanEUE quater, DOlitO I quo. 88,7415
cience 4, ee subducto dirisoris quadruplo 36 =7 QYA, Cx 268386X (2892843
4+ reltabune superius nocanda 5, ee peracta est divisio.
Cum vero divisione peracta superlint achuc polc quo-
rientis numeros inceoros 289284 Tubjunso tractionem 3; adeoque liguet, dirilo
numero 260356+ per 9, quocientem accuraculm elle 2892843; Tire numeri 2603561
ParicMhonam elle 2892843; vel numerit 2663561, concinere numerum o, vi
cibus 289284, alque inluper 3 (gumesce Honas parres) ejusdem numeri o: ipsum
aucem numerum 2892843 (quocienrem) Pracile 9 vicibus concineri in 260356L
humero dividendo. Ec limilicer in aliis
Ouod aurem, in exemplis pramiltis, singularum suoductionum residua deleris alia ope-
Diridendi nocis luperposuerim, ipsaque subducta mulcipla nulguam seriplerim;
id majoris expeditionis causa tactum ell. Si cui vero libet omnia espleite con.
rueri, pocerit ille ad hanc tormam praecedentem opetalione petagere. Cum di-
visor o in lupraleripris 26, bis contincatur, PI IM quocience 2, de Tubleripio
dirilori o iptius duplo 28; ex 26 subductis r8 Manebune 8, intra lineam ductam
Ita L nuMerUIS 260356E dividatur per 9. Cum o in 25 bis concincantur, seripio
nocunca: cui reliduo adjumgendae at sigurae achue incacta (vel falcem