Example image of eyePlorer eyePlorer map for 'Graphical comparison of musical scales and mathematical progressions': Harmonic Equal temperament Exponential growth Geometric progression Octave Twelfth root of two Arithmetic progression Linear Slope Just intonation Major second Major third Perfect fifth Perfect fourth Ratio Tuning Mean Arithmetic mean Geometric mean Hertz Piano key frequencies A440 Cent (music) Logarithmic spiral Archimedean spiral Pythagorean theorem
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