Why complex numbers? the imaginary unit; the fundamental theorem of algebra; Adding and multiplying complex numbers; the complex conjugate; dividing complex numbers; polar representation; De Moivre's ...

Roughly 45.6 million persons resident in Germany were in employment in February 2025. According to provisional calculations of the Federal Statistical Office (Destatis), the seasonally adjusted number ...

Aerospace Engineering is at the cutting edge of technology, understanding and applying scientific principles to the design, development and service of some of the most technologically advanced ...