Mathematics 424 Differential equations-- Analysis-- Mathematics 338 Mathematical analysis 282 Economics 255 Functions of complex variables-- Analysis-- Mathematics 253 Statistics 251 Analysis 228 Calculus 226 Numerical analysis 220 Analysis-- Mathematics 211 Social sciences 193 Functional analysis-- Mathematics 192 Spectrum analysis 185 Functional analysis 183 Applied numerical analysis-- Applied mathematics 179 Functions of real variables-- Analysis-- Mathematics 177 Research 162 Management 152 Regression analysis 143 Discourse analysis 142 System analysis 140 Fourier and harmonic analysis 130 Chemistry, Analytic 129 Data processing 126 Security analysis--Portfolio management 125 Methodology 117 History 112 Psychology 111 Operational calculus-- Functional analysis-- Mathematics 109 Combinatorial analysis 106