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# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 453, page id 845634801:0459
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10
V E R E G R E GOR F A H F.
F cranAe in E cum aureus numerus es XI vel minor. In C cum aureus numerus est XII
vel major.
PROPOSTFIO V.
Peoempeolin Luna in annorum lulianorum centuriis expendere.
PEOeMPEOLIS Cunxe dicirur cum anricipane suas primum Racas Epochas Neomeniae,
MecemPEOSS cum eas transorediuneur. Cyelo aurem decemnorali aneicipane Neome-
nix per =3 unius diei. Leaque erclis decemnoralibus 625, id est, annis 12875 Tulianis,
ancicipatio est dierum 38. F. s aurem ut 11875 2d38, ita 1000 ad 32. Quare expectaco
Similis aurei numeri ad similem aureum numerum redieu, annis 10000 fulianis anrici-
Pario es dierum 32, seu annis 2500 dierum 8. vel annis 3 12 = diei unius. EF veto crclus
decomnovalis dierum est 69393. Nonigitur diebus 6939 3 restiemuntur menses Lunx
235, ut deprehenderar Meton, led 6939 7733. Leaque dicbus 17, 349, 223 abTolvuneur
menles 587. 500. Oui calculus Flipparchi calculo consenric probe. Observarerarenim
Elipparchus, reference Prolemao, annis A. Gypriis345, dicbus82, horaunamenses ab-
Eolri 4, 267, id est, dicbus 3, 199, 369 menses 102, 808.
PR OPOSFTTO VI
Dies quos exemerit Gregoriana correctio ad succedentia Secula nu-
merare.
Annorum cenruriis ab Era Christi abjiceis cencurias, ee quorus in residuo erir qua-
cerrarius centuriarum numerus eor lume cernos dies, de si dirisione insticura supersunt
centurix duae Cume unum, ac Cirres, lume duos, lumpros collige adsciro denario, de lum-
mam habebis dierum quos exemerie Cregoriana correctio.
PROPOSFEKO VII.
Netemptolin Lunae in annorum Cresorianorum cencuriis expendere.
A Cumma dierum quos exemerit Gregoriana correctio auferaneur dies proemproleos,
residui igitur erune dies metemproleos Lunx.
Px oPOSTTTO VIII.
Aurei numeri radicem constituere.
Anno ab Era Christi Diony siana primo Fuit aureus numeruS 2o
DR OBOSTFLO IX.
Aureum anni propolici numerum inrenire.
A daro anno ab Era Chrissi abjice circulaciones annorum 19, qui supererie numerus
auctus unitare erir aureus numerus anni propoliri, l in consequencia insticuaeur nume-
racio. Ac E in anrece denria, qui lupererie numerus demprus ex 2 1 relinquet aureum nu-
Merum.
LROPOSTFTO X.
Epactarum radices vulgariter praehigere.
Periodus annorum 25, 000 FAHAnOrUM, qua anFevertunE luas Epochas Neomenia
aIEBUS OctO, MM epseneis annis ance Chriltum sumico, delicura anino Christi
2800. Character Neomenia Epactaere anno Christi 500 esto P, seu 0 sub aureo nu-
Mero
RH H 2