Introductory level math courses (meaning they do not require more prerequisites then the usual introductory calculus and algebra classes, but some may still be very demanding):
AL1 Abstract Algebra
ANT Topics in Analysis
CLX Complex Analysis
CO1  Combinatorics 1 (in case of high number of students preregistering the class may be offered in two versions: a slower and a higher  pace version)
NU1 Number Theory 1 (in case of high number of students preregistering the class may be offered in two versions: a slower and a higher  pace version)
SET Set Theory
PRO Probability Theory
C&P Conjecture and Proof

Advanced mathematics courses:
AAL Advanced Algebra
RFM Real Functions and Measures
FUN Functional Analysis
DIG Differential Geometry
CO2 Combinatorics 2
THC Theory of Computing
GTT Graph Theory
GEO Topics in Geometry

Math courses which may be offered depending on the number of students preregistering and available lecturers:
NUT Topics in Number Theory
NCR Number Theoretical Cryptology and Computational Number Theory
STA Statistical Methods
TOP  Introduction to Topology
ALT Algebraic Topology
GAL Galois Theory

Non math courses:
HL2 Intermediate Hungarian Language
HIS The Making of Modern Central Europe
HUC Hungarian Art and Culture

Non-math courses which may be offered depending on the number of students preregistering and available lecturers:
HL1 Beginner Hungarian Language
HAM Historical Aspects of Mathematics
EPH European Philosophy