Translation guide
A computer that processes continuous physical quantities. In Japanese, the term is a direct loanword, but it is a niche technical term. For general reference to older non-digital computers, other expressions may be used.
Refer to a computer that operates on analog signals rather than digital.
Standard term for an analog computer, widely understood in technical contexts.
このアナログコンピュータは微分方程式を解くのに使われた。
This analog computer was used to solve differential equations.
Abbreviation used in very casual or insider technical conversations. Not suitable for formal writing.
In everyday conversation, 'analog computer' is rarely discussed. If you are referring to old non-digital devices in general, you might need to describe them rather than use this term. For example, '昔の計算機' (old calculating machines) or 'デジタルではないコンピュータ' (non-digital computers) could be used if the audience is not technical.
A slightly more formal or technical term, using the native word for 'calculator'.
アナログ計算機は現在ではほとんど使われていない。
Analog computers are rarely used nowadays.
Back in the day, we used to do simulations on analog computers.