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Comparing Several Techniques for Offline Recognition of Printed Mathematical Symbols. Proceedings of 20th International Conference on Pattern Recognition, 2010. pp. 1953-1956.Automatic recognition of printed mathematical symbols is a fundamental problem for recognition of mathematical expressions. Several classification techniques has been previously used, but there are very few works that compare different classification techniques on the same database and with the same experimental conditions. In this work we have tested classical and novelty classification techniques for mathematical symbol recognition on two databases.