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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)
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H, P IS YO L Y C U M.
oratia B3 = 5. = d3 erit  V e = ∞ ∞ = d8. Addo et idem obrinere in quae
Itione a me propolita. Verbi sracia. Cum 16 e 25 partibus luis aliquoris addiri
aequales summas efficiant, id iplum nOn MInuS FacIeHE 16et es 25 e quicunque
allinmacur e modo sine rum C, 16, cum e, 25, numeri incer se primi. Quod nec
D. Freniclum latere scio.
Calculi quem norat lapsum, agnolco; quem jam pridem nocareram ipse, et emen-
dareram, in Aucograptio meo (sed, ut ridetur, non in Aposrapho,) neque aliud
crac quam praeproperi currentis calami lestinacio, ec quem ex rerborum serie quili-
Dec reltituat. Sed es liquando similes reperiat, isnolcet spero. Quam veniam da-
bimus perimusque riciltim. Fc quidem simili, ni tallor laptu, in iptius Inguisiio-
nis pas. 4. Cubi secundi partes aliquoras numerat 65 3359, ubi lubstiruendus est
MUMETIS C55359. AEque hic sentenciX cenor L cctori mlul adjumenti aHert. Ne-
que porelt laplus restirui, nili ab eo qui numeri lac grandis parres aliGuOTAS HOYCTI
collisere, calculum que ab orisine repetat.
Fermacii Problema de numiero cubo qui partibus sins aliquotis additus faciat D ua-
dratum: in nuperis meis Mars. 4. daris, enueleatum dedimus, ut non st cur de
hoc haereat rir Nobilistimus. Netamen causetur acthuc me methodos tancum extri.
bere, non aurem et numeros, lalrem non à luis diverlos, libuit et 105 sex cubos
subjunsere, qui parcibus luis aliquoris addiri Faciane quadratos.
Cuborum radices.
LX3XSXT3XL7X 3TX4TXFOF. 1
2X3XSXZ ZFZXT7XZFX4FXTOF.
3X 3X3XS X LE X T3X L7X3TX 4EXTOT.
s
3X5X7 XLEXI3XT7X3TX4ZX 
T7X3FX 47XFOT.
7XI7 XZEX47XT9T.
Radtices Duadratorum.
2 (auodeieS) X3X3X3XSXSX7XT3X 17X29X29X 37.
2 quatuor decieS) X3X3XZXSXS XSX7XEZXT7 X29X29X 37.
2 Tredecies) X3X3XZXSX7 XTFXF3XL7 X29X29X37X6I.
2 (quindeCieS I X3X3 X3XSXSX7XTEXT3X L7 X29X29X37X6I.
2 decies) X3X3XSX L3XI7 X29X37.
2 (duodebres  X3X3XSXGXT3X I7 X29X37.
Addo etiam, horum secundum ee quartum Frenicti quasito de duobus cubis Cub
tinem pas. 3. Inquisitionis Cua expolicis, latistacere.
Ouid aurem eso de hujulmodi Inquisicionibus numerosis censeam, jam antehrac
dictum elt, nec repeto; ec quam inritus hue adducar. Guod tamen, eum uc im-
portunis duorum Claristimorum virorum solicitacionibus Patistacerem, cum prae-
Tercim ne cuis deellem mandaris, non crat retugiendum. Ac incerim (tantorum
pace virorum dictum elto) non rideo quin ad lolidum pracheleos protectum ina-
sis conducar, li Claristimi riri, quae sibi putane peculiaria, orbi literato metho-
dice expOnanE, quam ut quxe ipsi se putone invenilsle, proponant aliis (actum
agendo) denuo invenire; nec minus inde quam hine sloriae sint reporcacuri.
Vale, Vir Nobilistime, _ tarCTE PerSAS, OrO,
Oxonii MATL. 15.
2658. Sc. AnSL.
Fhumillimo Tuo, Tibigue
obsequentissimo servo,
TOTI. WAL. L. 25.
Sit, Fcrare pour leare co add a mord more. We have houshes of publistrine
chose Lerters itrieh hare passed oF late Between us and France, il you approve
oF it and chint ic prOper, (Wherein MI. Frenicle harins been betore hand wich
uS, Leems almost to make it neceltary:) And cherein chink ic may be tic co omit
a pallase or ervo in chole of jours, Wherein von declare à comparatire judse-
menebecveen. . . . . . and. . . . .. Wrtrich I do noc know whether vou vould
chink proper co be mace publicti. Buc il sou pleale to honour me wich zour
commands cherein, L Mall Be rery caretul eo oblerre chem.
NIm m m M
F P L