Calendarium, entitled 'Computatio graecorum sive latinorum', incipit: 'Ianuarii Augusti et Decembris imponere habent...' A decennovenal (19-year) cycle on ff. 3v-8r is given for the years 817-873.
A collection of computistical formulas. The formulas on ff. 42v-50r given for the years 861-864 were altered by a second hand for the years 864 and 899.
Three computistical texts concerning the calculation of epacts, incipit: 'In primo decemnovenali ciclo...' (f. 54v); 'Ordo lunaris', incipit: 'Luna prima lucet con. xx viiii . iiii. i . iiii...' (perhaps based on Bede, De temporum ratione, cap. 17); 'Argumentum beati Theophyli', incipit: 'De epac...
'Ratio sphere Pitagore philisophi quam Apuleius descripsit'
Scope & Content:
'Ratio sphere Pitagore philisophi quam Apuleius descripsit' (ff. 57v-58r) 'Ut quacumque scire volueris vel consulere ut puta de aegris qua die incurrit...', with a decorated diagram; preceded by a diagram of the consanguinity (f. 57v).