Science.

Solve for density, mass, or volume from the other two using ρ = m / V.

Newton's second law solver — find force, mass, or acceleration from the other two.

Solve for average speed, distance, or time using the classic v = d / t relationship.

Change in velocity over time — plus distance covered and g-force equivalent.

Solve for voltage, current, or resistance from the other two — plus the resulting power draw.

Wire voltage drop from resistivity, length, current, and AWG cross-section — with a % check against 120 V and 230 V.

Decode a 4-band resistor from band 1, band 2, multiplier, and tolerance colors.

Horsepower from torque + RPM, kW conversion, or estimated from vehicle weight and quarter-mile time.

Perceived temperature from air temperature and wind speed using the North American formula.

Perceived temperature from heat and humidity using the Rothfusz regression.

Dew point temperature from air temperature and relative humidity (Magnus formula).

Translational kinetic energy from mass and velocity, with common unit equivalents.