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銀行複利息計算

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發問:

1.)如果現在銀行利率為2%,存款1000元.兩年後利息是多少?? 2.)本金是 $4000,年利率是 4% ,存款時間是 1又1/2年。求本利和 第2條我想問如果我用 4000x1.04x1.02=$4243.2 但係用 4000x1.02^3 = $4244.8 兩種計法有冇話錯..銀行會用邊種???

最佳解答:

如果現在銀行利率為2%,存款1000元.兩年後利息是多少?? Compound interest: 1000(1+2%)^2-1000 =40.4 ________________________ 本金是 $4000,年利率是 4% ,存款時間是 1又1/2年。求本利和 幾時計息? 2010-12-04 23:14:34 補充: 當你半年calculate: 4000(1+4%/2)^3 =4244.832 2010-12-04 23:17:32 補充: Q1冇講過幾時calculate 2010-12-05 20:59:03 補充: 因為我用左每半年計一次. 2010-12-05 20:59:46 補充: 4000x1.02^3 = $4244.8 is correct 2010-12-05 21:04:21 補充: TO Professor King: 4000*(1+0.04)^(1.5) = $4242.384235 ______________ 1.5係幾時計一次,不過很少會用小數及分數表示,多以integer表示.

其他解答:

thanks...i fully understand now...|||||To 回答001: Q.2 ----年利率是 4% The answer should be: 4000*(1+0.04)^(1.5) = $4242.384235 2010-12-06 18:43:09 補充: To 005: Sorry, I have made a mistake... It in truth doesn't state when do we calculate... 2010-12-06 18:45:08 補充: To 發問者: When compound yearly: 4000*(1+0.04)^(1.5) When compound half-yearly: 4000*(1+ 0.04/2)^(3) When compound quarterly: 4000*(1+ 0.04/4)^(6) When compound monthly: 4000*(1+ 0.04/12)^(18) Conclusion: It really depends on when do you calculate the interest...|||||全部都係unknown 無答案 必需加入假設才能回答 最重要的假設是 多久才計一次息?
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