单词 | compound interest |
释义 | compound interest A loan where the interest due each period is added to the amount outstanding. The interest of earlier periods thus itself earns interest in later periods. At an interest rate of 100r per cent per period, after 1 period an original loan of A amounts to A(1 + r); after two periods to A(1 + r)2 ; and after N periods to A(1 + r)N. These successive values form a geometric progression with common ratio (1 + r). |
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