75%
Logarithmic scales plot data where values span multiple orders of magnitude. By compressing exponential curves into straight lines ($y = a \cdot e^{bx}$ becomes linear on semi-log paper; power laws $y = a \cdot x^k$ become linear on full log-log paper), engineers can quickly extract slope coefficients and time constants by hand.
Ideal for electrical RC/RL circuit discharge curves, radioactive decay half-life plots, bacterial population growth, and audio frequency decibel curves across linear time intervals.
Required for Bode frequency response plots, aerodynamic drag vs. velocity relationships, and fluid dynamics friction factors across multiple decades of Reynolds numbers.