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# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 514, page id 845634801:0522
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R A L E N D A R EVM GREGORTANVM.
Oudd R quando Epacta per dies Kalendarii distriburae indicent Novilunia pauld le-
rius, qua res poctuler, mirandum non cst, cum maturo consilio ira sine disposrx. C utr
enim nullus erclus Lunaris ad unguem calculo AAtronomico respondere pote, led IO-
do cirius, modo cardius Noviluma indicet, data est diligenter opera in diltnendo
cyclo hoc 30. Epactarum in Kalendario, ur porius Novilunia seriis aliquando Pet Lp2.
Ctas demonstrentur quam ve aliquando le des luas antevertanE, ne cum OuarradecM
nis haerericis sacrolanctum Pascha, vel in XIV. Luna, vel anre celebretur: 2deo uE pro
prer celebrationem Palchae major sichabira rario ZIV. Lunae, vel Plenilunii. quam No.
vilunii. Neque magni refert ( aliquando, quod raro tamen accidic, prOPFer hanc Ho
vilunii pospoltionem, contingat Palcha celebrari post diem XXI. LUnX. MinuS CMM
hoc peccatum est, quam si anre diem XIV. Lunx celebretur, vel in ultimo menle, quod
eNer ablutdinimum. Sed de his plura in libro norxrarionis resticuendi Hate HAAL) Ld
mani, ubi eriam hypocheles, quae in hac correctione Kalendarii astumpea lu, in me
dium aHCreHEUE.
Verum, ue videas unde praecedentes cres cabella line deprompre, de qu a atte 
conterui possine, addira est sequens rabella eycti Epactarum perpetua, uta cum cabla
aequationis creli Epactarum, ex qua cujusque anni EpactA FCDCFICLML in PerpetUUM
Racionem constructionis tam tabellae cxcli Epactarum perpetuae, quam cabulae xe qua
Honis cyeli Epactarum, quoniam paucis explicari non porest, delumunturque licerx al
phaberi ex tabula creli Epactarum expansa, consulco in librum norae rationis rectituem
di Kalendarii Romani, ubi cabula illa expanla continetur, rejicimus.
Tabella ereli Epactarum perperua
51
labula aequationis cyeli Epactatu perpelut
Eleriusque aurem alus hic et. OUXTaTI
in cabula aequarionis annuS PLOPOSITS, v
Bis in tabula non Mrehade, annus proxim
mInOr: noteturque lirera alphaberi live ma
julcula, live minulcula, ad linistram ipsiu
collocata, et aureus numerus investigetu
anno propolico congruens. Deinde in cabe
la cycli Lipactarum perpecuâ similis licet
nocetur, e cellula, qux ab illa licera inclu
re rerria elt verlus liniltram, aureus nume
cuS I. FribuatuE, e lequene cellulae ad dexte
ram lublequens aureuS nAmerUS 2. _ iI
deinceps, donec ad aureum humerum pec
pohiri anni perreniatur, redeundo ad princ
pium cabellae, l CaMTOLaM PercurreriS, COn
Purara quoque lIetuB qu’à sionun
COllOCATUE PFO unA CCMMI. Elis enim rite
Peractis, illico in celtela, in quam aureus n
merus propolri anni caa, LPacta illius an.
ni reperietur. Diligenter tamen obserrandum eH, ur quando aureus nuterus anni prO
polui tuell i0 recltior, cectaetuque in cellulam lcea qu ud elhoclienum u
atUE EpaCtA ZXIX. Ouando vero dureus numerus anni propolici Fuerie L. rel major
lumacus Epacta 1.
xCM
ve