TK Electrical engineering. Electronics Nuclear engineering 71 TJ Mechanical engineering and machinery 41 TA Engineering (General). Civil engineering (General) 40 QA Mathematics 13 QA75 Electronic computers. Computer science 10 TK7885-7895 Computer engineer. Computer hardware 8 TS Manufactures 7 LB Theory and practice of education 4 QA76 Computer software 4 TC Hydraulic engineering. Ocean engineering 3 TD Environmental technology. Sanitary engineering 3 TP Chemical technology 3 HD28 Management. Industrial Management 2 Unspecified 2 VM Naval architecture. Shipbuilding. Marine engineering 2 Affective computing 1 Ambient intelligence 1 Brain-inspired 1 Computational system 1 Cost allocation 1 Cyber-Physical Systems 1 Distributed fuzzy engine 1 Embedded intelligence 1 Energy efficient network 1 Fault Diagnosis 1 GE Environmental Sciences 1 H II regions 1 HD Industries. Land use. Labor 1 Human comfort 1 IEC 61499 1