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# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 459, page id 845634801:0465
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V E R F G R E CO R E A N L
antum a Pannario auspicari, de roro anni ita auspicaci curriculo, eodem chiaractere Neo-
menias desionare. FF seculo 1800 numerabitur E pacta xxI, quae alioquin decedereruno
die, Cannus 1800 diem ad(cilceret intercalarem. Sed quia ex Gregorii constirurione
eoanno Biserrum ad Kalendas Marrii omitrirur, ideo recinetur LpaCtA XX L; taM aa
succedentes luxaco loco; quam anrecedences ejusdem anni Neomenias. Ideim in CCHT
riis quibuscumque licebic deinceps exemplificari.
Kector VTI.
Dux rero microcolinia haec, Phylici, me à calu ante calum adtei.
Quare hac esto ad exposirum vulsare Kalendarium seprima nota:
PR OB OSFFFO VITI.
Expolica Epactas adaequandi methodus duabus nicicur hypochesibus;
quarum alter a ctacuitur Luna oovochun, alter a cxorou 6. uno eodemque mo-
MMCNEO.
Clunhypochesi, annis 312 = Julianis anrevertune luas Epochas Neomeniae, dicuno. AI-
tera, restiruunur ad ea(dem Epochas, annis 300,000 Gregorianis. Si prima Hypochelis
vera est, ut lane ab ea non lonoe recedune Astronomi; complentur menles Lunae Syno-
dici 2.5, aninis decemnorem Tulianis, minus 38 unius diei. leaque menus dierum est
6868 Proxime, e menses 4; ablumene dies 1270, minus aliquot dierum scrupulis.
Sed menses 44 ab lumune dies 1299, e aliquor insuper dierum scrupula. A die isieur,
quo nora sacuetur Luna, numerentur in anrecedentia dics 1290, _ L. UMa FUINC Crit nO-
vem ec decem dierum proximé, vel numereutur dies 1290 in conléquentia, en que erit
dierum Fere 20. acque adoo hic vel illic dizorou0.
Fadem Cance hypocheli, annis 300, 000 lulianis anreverrene luas Fpochas Neome.
Dixe, diebus960. Dehciune aurem anni 300,000 Gregoriani a coridem lulianis, die-
bus 2250, a quibus cum auferentur 960, relinquuntur dies +290. Vincet igitur proem-
DeoEn mereniprolis, dicbus 1290. Ec ideo exactis annis eancum Gregorianis 300,000
de peaeceres diebus 1290, eric per eam hypothelinnora Luna. Sed exactiscancum annis
Cregorianis 300,000, erir dixorouo, uipore dierum novem. Ac secunda hyporhesis
Ca periodo Catuic nouam. Repugnances isitur lunc incer se hypocheles ille, cum eo-
dem momenco haec Maruie Lunam suvodiulu, illa dixorouor. Quo d eracostendendum.
Restror VIII.
Magnarum periodorum Fallicas reriras. ve, nil post exacta mulca secu-
las pocest aroui. Nam maois Flebraeos conrineam tals, cum mensem con-
Ctieuune dierum 29, horarum 12, Scrupulorum 44. secundorum 3, cerciorum
20, quam Hlipparchum, Peolemaeum e Copernicum, quimenlem adlu-
une, novem Ccrupulis cerriis Hlebraico, minorem. Ac in hiypocheliumre-
Dugnantia cequis Falsicatem non concludet:
duare haec esto ad expositum Kalendarium octava nota.
Sane in annis Gregorianis 300, oor tere ht absolura apocastalis. Sic igi-
cur seculo 1000, sub aureonumerorir octarus Martii Neomenia, exactis
inde annis zOOsOOT, CTIE OCEAVUS Martii, CUB AUFEO NUIMEKOXIFF, Neomenia.
_ Tub aureo nummero iir, vicesimus octavus Marrii Neomenia. AECIrCL A-
Prilis quincum rel Marris octarum, Luna erir dxorou ∞.
PR OPOSFFTOIZ.
Medias Solis e Lunx Syzrsias, ex abacis AMronoicis, per annorum
Grecorianorum ceneurias, ad urbis R oma MeridiaMUM, SUPPUTaLC.
Proponumnr duo abaci unus radicum, alcer prostaphareseon. Ele sciarur elixenda
radix, dacum in cencuriis annorum ab Era Christinumerum, divide per 4 cencurias, de
Adi