---
name: Theon of Alexandria
name_greek: Θέων ὁ Ἀλεξανδρεύς
eul_aid: spw
canonical: "https://eulogikon.org/authors/theon-of-alexandria-spw"
period: Late Antique
dialect: Koine
works_count: 5
license: "https://creativecommons.org/publicdomain/mark/1.0/"
---

# Theon of Alexandria

*Θέων ὁ Ἀλεξανδρεύς*

**eul_aid:** `spw` · [HTML page](https://eulogikon.org/authors/theon-of-alexandria-spw)

Theon of Alexandria, a 4th century CE mathematician and astronomer. Surviving works include treatises. Free to read and download from the Greek library archive.

## Works

- [Commentary-Ptolemy's Mathematical Syntax I–IV](https://eulogikon.org/works/theon-alexandria-commentary-ptolemy-syntax-spw-ab) — *Ὑπόμνημα εἰς Πτολεμαίου Μαθηματικὴν Σύνταξιν Α'-Δ'* · `spw-ab`
- [Commentary-the Handy Tables of Ptolemy, Books 1–3](https://eulogikon.org/works/theon-alexandria-handy-tables-commentary-spw-aa) — *Ὑπόμνημα εἰς τοὺς προχείρους Πτολεμαίου κανόνας* · `spw-aa`
- [Epigrams](https://eulogikon.org/works/theon-alexandria-epigrams-spw-ae) — *Ἐπιγράμματα* · `spw-ae`
- [On the Ready Rules](https://eulogikon.org/works/theon-alexandria-ready-rules-spw-ac) — *Εἰς τοὺς προχείρους κανόνας* · `spw-ac`
- [Testimonies](https://eulogikon.org/works/theon-alexandria-testimonies-spw-ad) — *Μαρτυρίαι* · `spw-ad`

## License and provenance

Eulogikon publishes public-domain Greek texts in cleaned, structured, readable form and makes no copyright claim over that preparation (Public Domain Mark 1.0, https://creativecommons.org/publicdomain/mark/1.0/). Author records and the underlying corpus are at https://eulogikon.org/.