Example image of eyePlorer eyePlorer map for 'Logarithmic scale': Level of measurement Logarithm Physical quantity Sense Weber–Fechner law Hearing (sense) Earth Earthquake Moment magnitude scale Motion (physics) Richter magnitude scale Ban (information) Bayes factor Cent (music) Decibel Exposure (photography) F-number Major second Music Neper Octave Palermo Technical Impact Hazard Scale Probability Semitone Information Information theory Apparent magnitude Geology Particle size Particle size (grain size) Star Absorbance Indefinite logarithm Boltzmann constant Ludwig Boltzmann Nomogram Slide rule Order of magnitude Geometric mean Graph paper Exponential growth Log-log graph Power law Semi-log graph Decade (log scale) Gummel plot Logarithmic timeline Nat (information) Quantum level Sound power level