Upaminyané, komputer digital prasida nganggén malih pamargi penjumlahan sané wénten miwah nyimpen pamargi penjumlahan kaanggén ngemargiang pengurangan, nganggén metode komplemen kalih pinaka nyeledii tungkalikan aditif, sané dangan pesan kamargiang ring piranti keras (negasi).
For example, digital computers can reuse existing adding-circuitry and save additional circuits for implementing a subtraction, by employing the method of two's complement for representing the additive inverses, which is extremely easy to implement in hardware (negation).