5. COMPUTUS TABLES AND TEXTS II: fols. 22r-35r: OVERVIEW
This section of MS 17 contains the following items, organized into two sequences. The first sequence provides interpretive tables linked to the columns of key letters in the calendar. The second concerns the principles of Paschal reckoning, the structure of the Paschal table, and some special refinements; it concludes with an appendix on mathematical operations useful for computus.
This entire section comprises the following items:
- 1. Dominical Letters: tables and text: fol. 22r.
- 2. Litterae punctatae table and text: fol. 22r-v.
- 3. Table for lunar letters A-V,A.--I: fols. 22v-23r.
- 4. Criteria for moveable feasts: fol. 23r.
- 5. Pagina regularis: table and text: fol. 23r-v
- 6. Lunar zodiac table: fol. 24r
- 7. Four Ember Fasts: fol. 24v.
- 8. Lunar letters AEIOV: table and text: fol. 24v.
- 9. Abbo of Fleury, Ephemerida : fol. 25r-26r.
- 10. Tables for lunar letters A-K: fol. 26v
- 11. Rota of monthly lunar epacts: fol. 27r.
- 12. Rota for feria of kalends: fol. 27v.
Pascal Computation Tables Overview
- 13. Paschal hand: fol. 28r.
- 14. Legend of Pachomius: fol. 28r
- 15. Application to other moveable feasts: fol. 28r.
- 16. Termini for major moveable feasts: table and argumenta : fol. 28v
- 17a. Paradigm Dionysian Paschal table: 1. Explanatory text: fol. 28v-29r
- 17b. Paradigm Dionysian Paschal table: 2. Decennovenal cycle: fol. 29r
- 17c. Paradigm Dionysian Paschal table: 3. Linea Christe: fol. 29r
- 17d. Paradigm Dionysian Paschal table: 4. Table: fol. 29r-v.
- 17e. Paradigm Dionysian Paschal table: 5. Annals: fol. 29r-v *Transcription Paradigm Paschal Table Annals
- 18. Tabula Dionysii : fol. 30r
- 19. Key letter method of Paschal reckoning: Three tables: fol. 30v-31v
- 20. Feria of terminus method of Paschal calculation: Two tables: fol. 32r-v
- 21. Computistic memorandum 1: argumentum to find feria : fol. 33r.
- 22. Computistic memorandum 2: argumentum to find Advent: fol. 33r.
- 23. Computistic memorandum 3: table of epacts: fol. 33r.
- 24. Computistic memorandum 4: "Passover"--table and text: fol. 33r.
- 25. Computistic memorandum 5: new Moons throughout the year: fol. 33r.
- 26. Perpetual Calendar 1: fol. 33v.
- 27. Perpetual Calendar 2: fol. 34r.
- 28. Criteria for determining Easter: fol. 34r
- 29. Concordance of lunar limits of moveable feasts: fol. 34r
- 30. Mathematics for computists 1: multiplication and division tables: fol. 34v
- 31. Mathematics for computists 2: types of number: text and glosses: fol. 34v.
- 32. Mathematics for computists 3: Abbo's abacus: fol. 35r.
- 33. Mathematics for computists 4: 7x and 59x tables: fol. 35r.