Bradley Library uses the Library of Congress Classification System. You will find the mathematics books in the QA's
1-939..............Mathematics
1-43................General
47-59..............Tables
71-90..............Instruments and machines
75-76.95.........Calculating machines
75.5-76.95......Electronic computers. Computer science
76.75-76.765..Computer software
101-145..........Elementary mathematics. Arithmetic
150-272.5.......Algebra
273-280..........Probabilities. Mathematical statistics
299.6-433.......Analysis
440-699..........Geometry. Trigonometry. Topology
801-939..........Analytic mechanics