# Leibniz Legible — https://leibnizlegible.com
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# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 498, page id 845634801:0506
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=845634801&page=506
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 28 lines, status machine
# Lines: 28 recognised, mean confidence 0.89
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

R OBL E M A Z Z O H.
rum periodo anticipant Weomena, nm to, au constituram ab ipsis radicem,
Epactas adaequare.
Planente vulearium computatorum trmamemo, quo annorum 2500 Zuliano-
goriana constieuitor ad 8 Marrii, lub aureo numero LLI. ltaque L pacta cAto N Leu ZXIX.
Seculo 1500 post correctionem d deimceps tecolo 1600, Neomenia l’alchalis C
Periodus annoruts 2500, d leculo ante Chriltum 700 inicium ducico, seculo poll
ChrisUM I8OO FENOVATOF.
Giduo erir 400, cor lume rernos dies; ex si divitione insticurâ super lune cenrurix duX, lu
me diem unum, et licres, lume duos. Sumpros collige et roca dies addiriros.
inceps dirilione insticura in rehiduo eric 300, coc lume dies Cingulos. Sumpros collz
cum eo quem adserralti ec voca dies ablariros. Si non pores abjicere 1800, nullum no
mera diem ablatruII.
TEaquE L PEOPOLILO AMOTM C MLHETHICCMEIHS MMINetO 3b)ICC 150O, de quorus in re.
Deinde à propoliro annorum ab Era Christi in centurris numero, abjice 1800
diem unum Cerra, et quocus in reliduo erir 2500, tor sume dies octonos; ee quorus
octaro Marcii exclusire; et is in quem desiner numeracio, dabir E.pactam, lub aurco
MEEO LT.
Denique excessum dierum addirirorunt cupr d ales ablatiros sume, ec cum numera a
Ad Corollarium propolicionis xir, tub Rubrica r, subjectus est abacuS, qus pestta
Rarim inspectione dac illum excettum.
communes, leu dierum 365. insticura. R adix aucem aurei numeri, quae consticura est III
cor unicacibus, quor erunt perio di annuxe, cremencum lulcipico.
20
Si secula durene, itaque excestus ad periodos dierum annuas suttanas adlcenait, a
circum ducuncor dirtione per quadcimas, leu dierum +461, primum, deinde per annua
Ouor aurem erune periodi annorum 2500, tor octonis diebus; _ quor deinceps an-
norum 300, toc diebus singulis excelsus minuitor.