期末考

馬哥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

<style>

h1{border: 30px outset red;  

  background-color: green;  

  color: white;

  text-align: center;}

</style>

<h1>馬哥2021年1月期末考</h1>

<!--輸出現值計算結果到 td--><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="160"></td></tr>

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

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

<tr><td>金流</td><td><input id="m" type="number" /></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" /></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/AVvXsEjNXb6e1jfbvUUrSqRgnebBGLkpwbunOabcYkmvYIBeZr-D22YkG17P0L6bAF1HZ8KXaQPeK6PFa3JMLrzfHTZcpPH-f9Pzapv7CJSuUSTYfu-b2SobAEP2qwnISZBJgDMgsNZdlT3_CT4/s773/%25E6%2593%25B7%25E5%258F%25961.JPG" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" width="600" data-original-height="478" data-original-width="773" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNXb6e1jfbvUUrSqRgnebBGLkpwbunOabcYkmvYIBeZr-D22YkG17P0L6bAF1HZ8KXaQPeK6PFa3JMLrzfHTZcpPH-f9Pzapv7CJSuUSTYfu-b2SobAEP2qwnISZBJgDMgsNZdlT3_CT4/s600/%25E6%2593%25B7%25E5%258F%25961.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/AVvXsEgJIbaWhUBF2M6sVEjRdWv2nLFzWvHlAurs6LA61yt2ZSIsg-XQ6-gbbUtMvkUfJEvgkNbnYEnVhVrz-9OEohVzjaQm9HmKzigEWdq27melpCTOvO6FxTzLZ7M-_Kf04XiLfxFRnQR0ads/s791/%25E6%2593%25B7%25E5%258F%25962.JPG" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" width="600" data-original-height="403" data-original-width="791" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJIbaWhUBF2M6sVEjRdWv2nLFzWvHlAurs6LA61yt2ZSIsg-XQ6-gbbUtMvkUfJEvgkNbnYEnVhVrz-9OEohVzjaQm9HmKzigEWdq27melpCTOvO6FxTzLZ7M-_Kf04XiLfxFRnQR0ads/s600/%25E6%2593%25B7%25E5%258F%25962.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 CompN(){    //輸入y, m, p, f 計算 n 

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

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

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

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

  var pvif = y;

  pvif++;        // pvif = 1+y

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

  document.getElementById("n_").innerHTML = n.toFixed(2);

}

function CompM(){

  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++;

  pvif =1/pvif**n;

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

  document.getElementById("m_").innerHTML = m.toFixed(2);

}

function CompP(){

  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.toFixed(2);

}

</script>