Euclid, the magazine of the Dutch Association of Mathematics Teachers, discusses mathematics and didactics to put on education. VMBO, HAVO and VWO are discussed. Topics include algebraic skills, mathematical thinking, teaching, mathematics, history of mathematics, use of ICT, columns and reports from colleagues abroad. Also, procedures are handled around the exam, exam discussions and examination papers. The association activities such as the annual meeting and the seminar will be announced. The reporting committees and working groups in this magazine. Teachers to put education and other interested parties find a lot of information. Euclid is distributed to more than 3,000 teachers and is read by many people involved in education.