conputa dies a principio mensis Ianuarii usque in diem de quo queris, et cum scieris, adde ætatem lunæ quæ fit in Kalendis Ianuarii; partire72 omnia per ·l ·ix·, et si amplius xxx remanserint tolle xxx·, et quod superest ipsa est luna diei quam queris. Item si uís scire hoc uel illo anno quota sit feria, conputa dies á Kalendis73 Ianuarii usque in diem de quo inquiris…
si ergo uis scire, uerbi gratia, anno quo per Kalendas Ianuarias nona est luna, quota sit luna in Kalendas Maias, dicito: Maius in Kalendas cxxi, tolle Kalendas, remanent cxx·74, adde uiili, fiunt cxxuiiii, partire per luiiii, quinquagies nouies bini cendecusoctus75, tolle cxuiii, remanent ·xi·; xima luna est in Kalendas Maias.
72: .i. issi insin aram indi acuiretha(r)[1] (?) fobith is noichtech ⁊ xxx file isindarg⏑ (?) sin73: .i. ⁊ niairmisiu[2] allae nisin74: [marg. d.] dindrala[3] huait cxuiii dofuarat latt oienar (?) x (?) nonus ⁊ x condid (?) ·xi·75: .i. aocht de(ac archét)[4]
72. i.e. that is the number in it, what he puts (?), because it is a month of twenty-nine days and of thirty which is in that argument (?).73. i.e. and thou reckonest not that day.74. if thou put from thee a hundred and eighteen there remains with thee from January (?)……so that it is eleven.75. i.e. a hundred and eighteen.