---
title: "MODULE 1. MATHEMATICS — Part-66 · Avioverse"
description: "MODULE 1. MATHEMATICS LEVEL A B1 B2 B2L B3 1.1 Arithmetic 1 2 1.2 Algebra (a) Simple algebraic expressions;"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/appendices-to-annex-iii-part-66/module-1-mathematics"
---

# MODULE 1. MATHEMATICS

Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## MODULE 1. MATHEMATICS

| MODULE 1. MATHEMATICS |                                       | LEVEL |              |
| --------------------- | ------------------------------------- | ----- | ------------ |
|                       |                                       | A     | B1 B2 B2L B3 |
| 1.1 Arithmetic        |                                       | 1     | 2            |
| 1.2 Algebra           |                                       |       |              |
|                       | (a) Simple algebraic expressions;     | 1     | 2            |
|                       | (b) Equations.                        | —     | 1            |
| 1.3 Geometry          |                                       |       |              |
|                       | (a) Simple geometrical constructions; | —     | 1            |
|                       | (b) Graphical representation;         | 2     | 2            |
|                       | (c) Trigonometry.                     | —     | 2            |

IR — Regulation (EU) No 1321/2014 · Regulation (EU) 2023/989 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in APPENDICES TO ANNEX III (Part-66)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/appendices-to-annex-iii-part-66)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.