Technical term for a step-by-step procedure for calculations or data processing, used in computing and mathematics.
This program uses a complex algorithm.
Loanword from English, more common in modern technical contexts. 演算手順 is a native Japanese equivalent, often used in formal or explanatory writing.
Compound of 演算 (calculation) and 手順 (procedure, steps). The exact historical derivation is uncertain, but the term is a straightforward technical coinage.