Measure distance by timing lightning and thunder. Press "Start" on lightning and "Stop" on thunder to calculate distance. Includes animation for lightning and sound effect for thunder.
by Kai Bruchmann★ 0.00 ratingsWeather$0.99Data updated 2026-09-06
Calculate standard ISA including pressure, density, and temperature. Compute QNH altitude. Adjust MSA for off-standard atmospheres. Convert calibrated airspeed to Mach number.
Solve logarithmic problems by selecting from four standard shapes. Input values for base, exponent, antilogarithm, or logarithmic result. Visualize the relationship between logarithms and exponents. View infographic explanations of calculation rules.