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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)
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Cap. Le.
Tec,) in libro qui inseribicur Scratiorios, (G Londini procii AnnO 2579.) ubi
Reculam Cosae,) Cdio anO 1537, Obl Mnilem irem cradit Radicum exrractionem.
Ouoniam V) ABV (A B, seribo in quocience AB, quae ducta in divitorem P - 3A
olim, jurta Vererum AleCBCa E CrS mechodum octendic Thomas
Diecesius, Anolus, (vir Equeltri tamilia nacus, et egregius sui cemporis mache.
macicus, ie ex iplius cdicis operibus, sed Petsa sua Anglicana, Paris pa-
tam Arichmeciea rulsaris, quam vecerum ABebra luccincte traditur.
Idenique praesticie Robertus Record, in libro cutS, Lhe W heistone ofWVitt
(H. C. Cos Lneenii allutione, ni tallor, tacta ad nomen numerorum Cossicorum, leu
tia vero lic commode praltabitur. Dispolicis primo cam mutriplicandae quam
mulciplicancis parcibus, prouc nesocte magis accommodum ridebitur; quaeratu
GIanCITaS qua TaleM in unum (Guod LCIICC Placeat) VIroris membrum ducta,
producat mentorum aliquod quanctalis crleca: qua Guatuas plo quociente
(parciculari) habenda ell, ee in diritorem corum ducenda, ee P’actum ex quanci
cace diridetted duterendum, notaro reliduo. Aeque idem icerandum exit quoces
Opus clt; ut religua eciam quorienus metibra reperiantur.
Iea (I quanCitaS A B H L ZC D H = Z A 9B -- s A CD diridenda (IC PeT P = 3 A.
AC.D
I
E= 3A) ABF F ZCDF = 3AgB -6ACD (AB F 2CD
quod ubi subductum eAt, nihil restat, coulque operatio est abtoluca.
Pacic ABF = 3 AAB, quibus ox aividendo subnductis, restace video 2CDF
=6A C D. Deinde, eandem operacionem icerando, cum sic F) 2CDF (F 2CD
subjunso quocienci priori + 2C D, ec ducto 2 C D in F = 3 A, AEZCDF = 6ACD,
Icem E dividendum HC A C = F C Der A = F: cum lic A) A C (A9. Ducendo
quoriencem A g in divisorem A - K sic AC - AgF, d Facta subductione restat
AGF = FC. Fum qua A) A9L. CAE, quoneno A L. i cirilorem A = L. ducluo,
=F.) AC = FC (A9-
2C
dat AGR. = A F. g; e facta subductione, reltat AF. 9 = L C. Landem, cru
A) AEG (F 9; _ F 9 in A- L I HC. GLC, subductione Facta, nihil restat;
est a-
adeoque absoluta est operatio, et quotiens A9 + AP. + R, 9.
Atque idem proveniet si d dexera incipia-
muS. Cum enim (II = e) = e3 (e, exII quo.
tiens C, de e in a = e, Crit a C - 0; e (a
eta subductione, residuum a - 4e. Tum
e2 (+ 20; ee ac in a = e elt
a e = ac; ee subductione tacta, reliduum
a C. Denique = e) - a’ e (a:
et
 in a - e est a = a c; de, facta subdu-
ctione, restat nihil. Ouociens ailtem elt ut
prius, nili quod qui cunc ulcimuls lune pri.
us eAt terminus.
a = e) a
a
Ad eandem formam; si dividenda ehec eadem quantitas a =e per a + c.
Cum sic a) à la; ee  in a +e ti a aC, acta subdluctionem retreuum erio