Engineering

Enter any two of voltage, current, resistance, power — get the rest.

Decode 4-band resistor colors into a resistance value.

Compute the output voltage of a two-resistor divider.

Total resistance of resistors in series and in parallel.

Total capacitance of capacitors in series and in parallel.

Convert between electromagnetic wavelength and frequency.

Convert power or amplitude ratios to and from decibels.

Compute kinetic energy from mass and velocity.

Gravitational potential energy from mass, gravity and height.

Newton's second law — solve force, mass or acceleration.

Compute density, mass or volume.

Solve PV = nRT for any one variable.