13.1 Mathematics13.1.1 Differential equations13.1.2 Integral equations13.1.3 Roots of polynomials13.1.4 Orthogonal functions13.1.5 Linear algebra13.1.6 Eigenvalues and -vectors13.1.7 Fourier synthesis and analysis13.1.8 Random processes and Monte-Carlo simulations13.1.9 Optimisation and operational research13.1.10 Display of complex shapes13.2 Physics13.2.1 Orbit calculations13.2.2 Particle trajectories and plasma physics13.2.3 Optics13.2.4 Heat-transfer13.2.5 Fallout prediction13.2.6 Semiconductor research13.2.7 Ferromagnetic films13.3 Chemistry13.3.1 Reaction kinetics13.3.2 Quantum chemistry13.4 Mechanics and engineering13.4.1 Vibrations13.4.2 Shock absorbers13.4.3 Earthquake simulation13.4.4 Rotating systems and gears13.4.5 Compressors13.4.6 Crank mechanisms and linkages13.4.7 Non-destructive testing13.4.8 Ductile deformation13.4.9 Pneumatic and hydraulic systems13.4.10 Control of machine tools13.4.11 Servo systems13.5 Colour matching13.6 Nuclear technology13.6.1 Research13.6.2 Reactor/neutron kinetics13.6.3 Training13.6.4 Control13.6.5 Enrichment13.7 Biology and medicine13.7.1 Ecosystems13.7.2 Metabolism research13.7.3 Cardiovascular systems13.7.4 Closed loop control studies13.7.5 Neurophysiology13.7.6 Epidemiology13.7.7 Aerospace medicine13.7.8 Locomotor systems13.7.9 Dosimetry13.8 Geology and marine science13.8.1 Oil and gas reservoirs13.8.2 Seismology13.8.3 Ray tracing13.9 Economics13.10 Power engineering13.10.1 Generators13.10.2 Transformers13.10.3 Power inverters and rectifiers13.10.4 Transmission lines13.10.5 Frequency control13.10.6 Power grid simulation13.10.7 Power station simulation13.10.8 Dispatch computers13.11 Electronics and telecommunications13.11.1 Circuit simulation13.11.2 Frequency response13.11.3 Filter design13.11.4 Modulators and demodulators13.11.5 Antenna and radar systems13.12 Automation13.12.1 Data processing13.12.2 Correlation analysis13.12.3 Closed loop control and servo systems13.12.4 Sampling systems13.12.5 Embedded systems13.13 Process engineering13.13.1 Mixing tanks, heat exchangers, evaporators, and distillation columns13.13.2 Adaptive control13.13.3 Parameter determination and optimisation13.13.4 Plant startup simulation13.14 Transport systems13.14.1 Automotive engineering13.14.2 Railway vehicles13.14.3 Hovercrafts and Maglevs13.14.4 Nautics13.15 Aeronautical engineering13.15.1 Landing gears13.15.2 Aircraft arresting gear systems13.15.3 Jet engines13.15.4 Helicopters13.15.5 Flutter simulations13.15.6 Flight simulation13.15.7 Airborne simulators13.15.8 Guidance and control13.15.9 Miscellaneous13.16 Rocketry13.16.1 Rocket motor simulation13.16.2 Rocket simulation13.16.3 Real-time data analysis13.16.4 Spacecraft manoeuvres13.16.5 Mercury, Gemini, and Apollo13.17 Military applications13.18 Education13.19 Arts, entertainment, and music13.19.1 Arts13.19.2 Entertainment13.19.3 Music13.20 Analog computer centers