期末考

鄧瑞瑜2021年1月期末考

現值
利率
期數
金流
終值

對照EXCEL先打開從範圍定義名稱

對照EXCEL金融計算

程式碼

<h1>劉任昌2021年1月期末考</h1>

<table border="1">

<tbody>

<tr><td>現值</td><td><input id="p" type="number" /></td><td><input onclick="CompP()" type="button" value="計算現值" /></td><td id="p_" width="180"></td></tr>

<tr><td>利率</td><td><input id="y" type="number" value="0.001" /></td></tr>

<tr><td>期數</td><td><input id="n" type="number" value="240" /></td><td><input onclick="CompN()" type="button" value="計算期數" /></td><td id="n_" width="100"></td></tr>

<tr><td>金流</td><td><input id="m" type="number" value="0"/></td><td><input onclick="CompM()" type="button" value="計算金流" /></td><td id="m_"></td></tr>

<tr><td>終值</td><td><input id="f" type="number" value="0"/></td><td><input onclick="CompF()" type="button" value="計算終值" /></td><td id="f_"></td></tr>

</tbody></table>

<h1>對照EXCEL先打開從範圍定義名稱</h1>

<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQT-UrfDqsl_wPmMBthIbMjdxH5_YRBlAGGLNNfpq2nnlj1GFUta6R7p4_QEVClGuJmhXTUWNn6SYrY5EVcMJZqMiPE5KDCenk2RSf3eGvsRFKF8Wl2kemKCz2JduNRcwan714wvtfkqI5/s1116/1.JPG" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" width="600" data-original-height="667" data-original-width="1116" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQT-UrfDqsl_wPmMBthIbMjdxH5_YRBlAGGLNNfpq2nnlj1GFUta6R7p4_QEVClGuJmhXTUWNn6SYrY5EVcMJZqMiPE5KDCenk2RSf3eGvsRFKF8Wl2kemKCz2JduNRcwan714wvtfkqI5/s600/1.JPG"/></a></div>

<h1>對照EXCEL金融計算</h1>

<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0D5KziHunM_AtCodw08NMfEqBc7iD_gctMOayl0Bva8f5n1Gi3QBGZ9kElQRRWMBD6Pe5iz-kaWRiV7P2vwbSk0sPkXtAdeAgQnMEc5BG3W4QKcVseyX9NFLP_WEG91dBglGPgAGW1CFM/s1185/2.JPG" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" width="600" data-original-height="485" data-original-width="1185" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0D5KziHunM_AtCodw08NMfEqBc7iD_gctMOayl0Bva8f5n1Gi3QBGZ9kElQRRWMBD6Pe5iz-kaWRiV7P2vwbSk0sPkXtAdeAgQnMEc5BG3W4QKcVseyX9NFLP_WEG91dBglGPgAGW1CFM/s600/2.JPG"/></a></div>

<h1>程式碼</h1>

<script>

function CompF(){  

  var y = document.getElementById("y").value; //輸入

  var m = document.getElementById("m").value;

  var p = document.getElementById("p").value;

  var n = document.getElementById("n").value;

  var fvif = y;

  fvif++;          // pvif = 1+y

  pvif = fvif ** n ;  //pvif = 1/(1+y)^n

  var f = p * fvif - m / y * (fvif - 1);

  document.getElementById("f_").innerHTML = f.toFixed(6);

}  

function CompP(){      //計算現值 p

  var y = document.getElementById("y").value;

  var n = document.getElementById("n").value;

  var m = document.getElementById("m").value;

  var f = document.getElementById("f").value;

  var pvif = y;

  pvif++;

  pvif =1/pvif**n;

  var p = (1-pvif)*m/y + f * pvif;

  document.getElementById("p_").innerHTML = p;

}

function CompN(){      //計算期數 n

  var y = document.getElementById("y").value; //從html表格取得 id=y

  var p = document.getElementById("p").value;

  var m = document.getElementById("m").value;

  var f = document.getElementById("f").value;

  var pvif = y;

  pvif++;

  var n = Math.log( (f - m/y )/( p - m/y ) ) / Math.log(pvif);

  document.getElementById("n_").innerHTML = n;

}

  

function CompM(){      //計算金流 m

  var y = document.getElementById("y").value;

  var n = document.getElementById("n").value;

  var p = document.getElementById("p").value;

  var f = document.getElementById("f").value;

  var pvif = y;      //pvif = 利率

  pvif++;          //pvif = 利率 + 1

  pvif =1/pvif**n;    //pvif = 1/(利率+1)^n

  var m = y * ( p - f * pvif )/( 1 - pvif);

  document.getElementById("m_").innerHTML = m;

}

</script>