Scientific apparatus, namely, mass spectrometers and parts thereof, in particular, time-of-flight mass spectrometers and aerosol time-of-flight mass spectrometers; computer programs and computer software for operating mass spectrometers; computer programs and computer software, in particular, deep learning algorithms, for analyzing and displaying spectral data recorded by mass spectrometers, in particular, to identify chemicals, biological molecules such as peptide and proteins, and microorga...