**Calculator name** | **Summary** |

Ohm's law (resistance) |
Calculates the resistance from the voltage and current. |

Ohm's law (voltage) |
Calculates the voltage from the current and resistance. |

Ohm's law (current) |
Calculates the current from the voltage and resistance. |

Capacitance of capacitor |
Calculates the capacitance of the capacitor from the plate area, distance between plates and relative permittivity. |

Resistance in series and parallel |
Calculates the total resistance of two resistors in series and parallel. |

Capacitance in series and parallel |
Calculates the total capacitance of two capacitors in series and parallel. |

Inductance in series and parallel |
Calculates the total inductance of two coils in series and parallel. |

Impedance of R and L in series |
Calculates the impedance of the resistor and inductor in series. |

Impedance of R and L in parallel |
Calculates the impedance of the resistor and inductor in parallel. |

Impedance of R and C in series |
Calculates the impedance of the resistor and capacitor in series. |

Impedance of R and C in parallel |
Calculates the impedance of the resistor and capacitor in parallel. |

Impedance of L and C in series |
Calculates the impedance of the inductor and capacitor in series. |

Impedance of L and C in parallel |
Calculates the impedance of the inductor and capacitor in parallel. |

Impedance of R, C and L in series |
Calculates the impedance of the resistor, capacitor and inductor in series. |

Impedance of R, C and L in parallel |
Calculates the impedance of the resistor, capacitor and inductor in parallel. |

Impedance of RC and RL in parallel |
Calculates the impedance of the resistor and capacitor in series (RC), and the resistor and inductor in series (RL), in parallel. |