Arabic-Serbian dictionary   Subject Number of entries Microsoft 1.896 Mathematics 1.326 Electric motors 894 Electronics 812 Electricity generation 718 Vacuum tubes 702 Thermal Energy 675 Statistics 528 Computer networks 359 Electrical engineering 322 Cables and cable production 291 Magnetics 287 Power electronics 260 Power system protection 258 Power lines 228 Transformers 227 Accumulators 211 Isolation 189 Electric machinery 178 Metrology 144 Lighting other than cinema 144 Ecology 87 Printed circuit boards 39 Ultrasound 33 Radio 1 Geriatrics 1.347 Legislative acts 1.348 Nigeria 1.349 Total: 14.853