Il 4o<' ] 
^dmodum in Cuhids fuperius ofieKf^kH ^li | ac mlUm \io5Hs ta* 
ditm injicerey mt difcentilus fmguU farticftUtim rimmdi vo* 
lufUtem M txeYcitationem praripere. 
Termini mtem ulUmi x limit Atio eddem facilitate inveniri 
neqmt\ idadeo^qtiiaPrablema fit Solidumyin Curvam Para* 
hoU demitt ere perpendicular em, qmdq\ non fine folutione 
quationis Cubica refolvi poffit. Itaq; prima loco deficiat fecurh 
dus terminus^ vel (i adfuerity tollatur^ut acjuatio haheat formu-- 
lam Zr"^. ifc . p z^. q z. r. — 0. Acfi fuerii — r, femper duahus 
vel qmtuor Radicibus explicari potejl; ut autem quatuor finty o» 
fortet centrum circuli intra, Paraholoides pradi^fas conftitniy 
five ut fit — p, ac q q mintt6 cjnam /7 p ^ five cuho ex^^. Deinde 
haheantur radices aquationis hujus ipy.^q — 0, 
qmntitatihus p q iifdem fignis annexis quibus in Biquadra^ 
tica. autem Radices attxilio TabulsSinuum fat is expedite 
inveniuntur* Inventis astern , trihus illis y, ( qua funt ordi- 
mtim applicata ad Axem ParahoUy de punBis tSi incidunt per* 
fendicula in Curvam ejus. fciL Z Y in Fig. III. / p yy — 3y^ 
ex mimre y, quantitatem maximam tdefignabifyfifuerit — r ; 
qua fi minor fuerit r, ^quatio quatuor hahebit radices^aliter dw 
as. Ajl fifmrip\-x^oportehit earn minor em effe quam jy"^*— pyy 
€x media y, namfi mijorfit^ nan nifi duos habere potefi radices ^ 
fdtem fi minor fit xquam 3 y"*" — p y y^jc maxima y. J%£ 
vera fi major fit ^ nulla omnino radice veraexplicabilis eji aqua- 
tio. Hi vero iidem limit es aliter defignantur ex quant it atex^ 
piL iq y — - y^ in prima cafuf j"^ iq y infecmdo^ m y* 
-j- iq y in tertid. uvViV v x. 
fieri autem fotefi ut xdtu mimrts €[Mntitates y non hnge 
Aifient ah invicem^ unde evenit mwd utraq\ ex perpendicuU" 
ribus major ftqmm re^^ G fcil, cum q q majus fit quafn 
^%^^y minus vera quam:^^^^^ ^tdmte centra intra fp at ium Pa^ 
faholoidibus utriufq; FigUYs:l & 11 inter jeifum. Hoc in c it- 
fu, fi fuerit nan nifi du^ pojfunt ejfe radices, exijl^^te y * 
"f" fq y ex maxima y, ^mjor quam r; aliter nulk. At fi iq y 
— j"^ ex minima Yymajor'. futr it quam v figno -notaiay r vero 
major quam iq y —y.-- e.x.media y^ tunc huhemur qmtuor r^z 
dices 
