noun
simple-interest method
Finance term for calculating interest only on the original principal, not on accumulated interest. Contrasts with 複利法 (compound-interest method).
See also: 複利法
単利法では、元本に対してのみ利息が計算される。
Under the simple-interest method, interest is calculated only on the principal.
Compound of 単利 (simple interest) and 法 (method). The exact historical derivation is uncertain; the term is a modern financial expression.